Author: Sam Okonkwo

  • Packing a bike for a flight

    When packing a bike box for a flight, remove the pedals first and secure them to the frame. Loosen the stem bolts to turn the handlebars sideways, or slide them off entirely to strap them to the fork. Remove the front wheel, slide a plastic spacer between your disc brake calipers to prevent accidental clamping, and pad the frame tubes with foam plumbing insulation.

  • Storing bikes in a small flat

    Going vertical

    Storing a bicycle inside a studio or one-bedroom flat requires utilising vertical wall space to keep the floor clear. A simple, heavy-duty hook screwed directly into a wall stud allows the bike to hang by its front wheel. This orientation only projects the bike about 30 inches from the wall — making it ideal for narrow hallways. If you cannot drill into the walls because of a tenancy agreement, a gravity stand that leans against the wall without fasteners is a reliable alternative. These stands typically hold two bicycles, stacking one above the other using adjustable arms. These stands are sturdy enough for daily use, yet they leave no permanent marks on your paint.

    One tenant we spoke to noted, “My hallway went from a crowded obstacle course to a functional corridor the day I hung my commuter.” To protect the wall from tire marks, you can stick small squares of clear adhesive plastic or cork coasters where the rubber meets the plaster.

    Keeping the dirt outside

    Bringing a dirty bike into a living area introduces road grit, grease, and water. A dedicated doormat or a runner rug placed near the entrance serves as a staging area. Performing regular maintenance, such as a thorough “drivetrain cleaning” inside a small flat, requires some preparation. Spreading a large, heavy tarp or a few layers of old newspaper under the bike will catch falling grit and stray drops of lubricant. A simple bucket and a damp rag can replace a full hose-down in this scenario.

    Moisture is another enemy of indoor storage. If a wet bicycle is left in a poorly ventilated corner, surface rust can develop on steel bolts. Furthermore, excess humidity can affect your stopping power, as damp conditions sometimes lead to “squealing brakes” during your next morning commute. Wipe the frame down with a microfibre cloth before bringing it past the threshold.

    Space saving adjustments

    If your storage space is exceptionally narrow, like a walk-in wardrobe or a recess behind a sofa, minor bike adjustments can save valuable inches. Loosening the stem bolts allows you to turn the handlebars 90 degrees, aligning them with the frame. This reduces the bike’s width to just a few inches. Be careful not to scuff your paint or damage the “handlebar tape” against rough plaster walls when maneuvering the bike into these tight spots.

    You might also consider removing the pedals using a fifteen-millimeter wrench. This simple step prevents the metal pins from scratching your shins or snagging on curtains. When you inflate the tubes inside, keep in mind that checking the “pressure for wider tires” … it is always easier to do this in the hallway before you tuck the bike away for the week.

  • Picking the right tire pressure

    The myth of maximum pressure

    For decades, the standard bicycle advice was to pump tires up to their maximum rated pressure, which is usually printed on the tire sidewall. Many riders believed that a rock-hard tire rolled faster because it minimized the contact patch with the road. However, modern rolling resistance testing shows that excessively high pressures actually slow you down on real-world surfaces. A rock-hard tire bounces off small imperfections in the asphalt, sending that kinetic energy upward into your body rather than propelling you forward. This constant upward movement creates micro-vibrations that fatigue your muscles over long distances, making you slower over the course of a long afternoon ride.

    Finding your balance

    To get the most comfort and speed out of your bicycle, you must consider three main variables: your total riding weight, the width of your tires, and the terrain. Heavier riders require slightly more air to prevent the rim from bottoming out on bumps, while lighter riders can run much lower pressures safely. Maintaining a bicycle involves many periodic tasks, from replacing a worn chain to wiping down the frame, but adjusting your tire pressure is something you should do before every single ride. A change in outdoor temperature can easily alter your tire pressure overnight, making a daily check essential.

    Wider tires hold a larger volume of air, which means they can run at significantly lower pressures — sometimes as low as 35 pounds per square inch for a wide tire — without compromising safety. Finding that sweet spot allows the casing of the tire to deform over road imperfections rather than bouncing over them. This deformation keeps the rubber in contact with the ground, providing better traction and a much smoother ride. On rough gravel roads, this effect is even more pronounced, as lower pressure prevents you from losing momentum.

    Testing on the road

    Finding the perfect pressure requires actual experimentation on your local routes. Start with a moderate pressure based on your weight and tire width, then lower it by five pounds on your next ride. Pay attention to how the bike handles cornering and how much vibration you feel in your hands. If the tires squish too much when you lean into a turn, you have gone too far… pump them back up slightly to restore stability and steering response.

    As one veteran mechanic put it, “Harder is rarely faster on real roads.” Once you find the pressure that balances grip, comfort, and speed, write it down in a notebook. You will find that keeping your tires at this optimal level makes your daily rides much more enjoyable and keeps you fresher for the final miles of a long weekend journey.

  • Bleeding hydraulic disc brakes

    Preparing the bleed workspace

    Hydraulic fluid is unforgiving to paint and braking surfaces alike. Before you open any ports, find a clean, flat surface and lay down a heavy rag or cardboard. Remove the wheels and slide a bleed block into the caliper to keep the pistons from advancing. Removing the wheels is crucial because even a single drop of brake fluid on your braking surfaces can ruin them. If you are also managing other maintenance tasks, like e-bike battery care or cleaning the frame, finish those first to keep your workspace clear.

    Gather your bleed kit, which should include the correct fluid for your specific system. Mineral oil and DOT fluid must never be mixed, as they will destroy the seals of an incompatible brake. “Safety first with DOT fluid,” my local mechanic always says, referring to its corrosive nature, so keep some rubbing alcohol nearby to quickly neutralise any accidental spills on the frame. Keep a clean paper towel in your hand at all times to wipe away excess fluid immediately.

    Connecting the syringes

    Draw mineral oil or DOT fluid — depending on your brake brand — into your syringes. You will need to purge any air bubbles from the syringes by holding them upright, tapping the sides, and pushing the air out through the top. Thread the first syringe into the lever bleed port. If you are used to packing a bike for travel, you might recognise the delicate threads on these ports; they strip easily, so turn them with care.

    Connect the second syringe, half-filled with fluid, to the caliper bleed port using the appropriate hose fitting. Ensure the hose is pressed firmly onto the nipple so it does not pop off under pressure. Having a secure, airtight fit at both ends is the only way to prevent introducing new air into the lines during the process.

    Pushing the fluid

    Open the bleed nipple at the caliper by a quarter turn. Gently push fluid from the caliper syringe up toward the lever. You will see old, discoloured fluid and tiny air bubbles emerge into the top syringe. Continue pushing until the fluid runs completely clear … this might take a couple of full cycles. Once the bubbles stop appearing, close the caliper nipple. Before tightening everything down, ensure you use a torque wrench to avoid stripping the soft aluminium bleed screws, which only require a tiny amount of force to seal.

    Testing the lever pressure

    With the system closed, remove the syringes and carefully reinstall the bleed port screws. Wipe down the lever and caliper with rubbing alcohol to remove any residual film. Pull the brake lever several times to test the feel. It should feel firm and immediate rather than spongy or soft. If the lever still pulls all the way to the handlebar, some air remains trapped in the line and you will need to repeat the bleed process from the beginning.

  • Bottom bracket creaks

    Finding the source of the noise

    Creaks can be highly deceptive on a modern bicycle. A sharp, rhythmic sound that seems to come directly from the bottom bracket under load often originates elsewhere entirely, such as the saddle rails, a loose rear quick release, or a dry pedal spindle. The hollow tubes of a modern frame act as an acoustic chamber, projecting noises far from their actual source. Before committing to pulling the bottom bracket apart, it is wise to work through the simpler culprits first. Tighten your chainring bolts, apply a dab of grease to your pedal threads, and clean the seatpost. If the sound persists only when you are standing up and pedalling out of the saddle, you can safely assume the saddle and seatpost are innocent. We must look deeper… into the bottom bracket shell itself to find the root of the issue.

    Stripping down the crankset

    To access the bottom bracket bearings, you first need to remove the crankset from the frame. For a standard modern system with a through-spindle, this usually involves loosening two pinch bolts on the non-drive side crank arm and removing the plastic preload cap. On older square-taper interfaces, a dedicated crank puller tool is necessary to back the arm off the tapered spindle. As you carefully slide the spindle out of the frame, watch closely for any thin spacer washers that might be clinging to the dust shields. Keep these in their exact order. This disassembly is a far more delicate process than a routine disc brake bleed, where a single fluid spill is the main hazard. Here, losing a single 0.5 mm spacer can throw off your chainline completely and cause poor shifting. “The smallest shim matters,” as the old shop saying goes, and keeping them organized on a clean paper towel is essential. Wipe away any old, gritty grease from the spindle to inspect the metal surface for grooving, scratching, or uneven wear.

    Cleaning and inspection

    Once the spindle is completely out of the frame, spin the bearings with your fingertips to test their condition. They should feel completely smooth, like warm butter. If you feel a gritty, notched, or rough sensation as you rotate them, the sealed units are contaminated or worn out and need replacement. This abrasive grit often enters during wet weather rides, much like the grit that complicates kid’s bike maintenance after a muddy afternoon of riding through puddles in the local park. On press-fit systems, removing the bearing cups safely requires a specialized slide hammer or an expansion extractor to avoid damaging the frame. Threaded systems require a specific splined tool that matches the notch pattern on your cups. If you have a threaded shell, unscrew the cups — remembering that the drive side is usually reverse-threaded and must be turned clockwise to loosen — and clean the metal threads inside the frame thoroughly with a rag and some mild solvent. Any tiny speck of dirt caught in these fine threads will cause a persistent clicking sound under heavy load.

    Reassembling with fresh grease

    Before reinstallation, coat the clean frame threads or the press-fit bore with a generous layer of high-quality waterproof grease or a dedicated anti-seize compound. This barrier is absolutely critical for preventing galvanic corrosion between different metals, especially if your bicycle is subjected to road salt corrosion during the winter months of commuting. Apply a thin, even layer of grease to the spindle itself where it contacts the inner bearing races to prevent creaking at that interface. Slide the spindle back through the bearings, reattach the non-drive arm, and snug the preload cap just enough to remove lateral play without binding the rotation. Finally, tighten the pinch bolts evenly in an alternating fashion. A quiet, smooth ride should be your reward, letting you focus entirely on the road ahead without the frustrating soundtrack of a creaking frame.

  • Steel, aluminum and carbon frames

    The resilient steel frame

    Steel remains a favorite for long-distance touring and daily commuting, valued for its ability to flex without permanent deformation. Tube sets made of chromoly steel — usually marked as 4130 on the seat tube decal — can last for decades if protected from moisture. Water enters through the seat post seam or water bottle bosses, pooling inside the bottom shell. To prevent internal oxidation, strip the frame once a year and spray a thin coat of rust-inhibiting wax inside the tubes. If you spot a small rust spot on the chainstay, scrape it back to bare metal with a small piece of 400-grit sandpaper, then seal it with clear nail polish.

    Unlike lighter materials, a slightly bent steel frame can sometimes be cold-set back into alignment by a professional frame builder. This material handles the everyday abuse of loaded touring racks and rough gravel paths with a predictable resilience. However, you must monitor the drain hole at the underside of the bottom bracket shell to ensure it remains clear of road grime and dried mud, letting any trapped water escape.

    Aluminum alloy realities

    Most modern entry-to-mid-range bicycles utilize 6061 or 7005 aluminum tubes. These frames are lighter and stiffer than steel, but they have a finite fatigue life. Unlike steel, aluminum does not slowly bend when it fails; instead, micro-cracks form around the welded joints over thousands of kilometers. When doing a routine hub bearing service, always wipe down the areas around the head tube and bottom bracket welds to check for hairline fractures in the paint. Aluminum does not rust, but it can corrode into a dull white powder, particularly under the cable guides where sweat and sports drinks collect during long summer rides.

    Cleaning these areas with a mild soap and a soft brush prevents this galvanic corrosion. Always use a small dab of grease on steel bolts when threading them into an aluminum frame, as these two metals will chemically bind over time if left dry.

    Carbon fiber care

    Carbon fiber frames require a completely different maintenance mindset because they are made of woven carbon sheets bound by epoxy resin. While incredibly strong under riding forces, these structures are vulnerable to localized crushing forces. When securing your bicycle to a rack, poor U-lock placement can easily squeeze and crack the thin-walled top tube. “Carbon does not give a warning creak,” says a local frame builder we spoke with, noting that internal damage can hide beneath a pristine paint job.

    To inspect a suspected impact area, tap the tube gently with a metal coin… a sharp, crisp click indicates a solid structure, whereas a dull thud suggests internal delamination. Performing regular maintenance is a habit of observation; while measuring chain stretch keeps your shifting crisp, inspecting your frame keeps you safe on the descent. Clean your carbon frame only with mild water and a microfiber cloth, avoiding harsh solvents that could degrade the protective clear coat.

  • Wrapping handlebar tape

    Preparing the handlebars

    Fresh bar tape does more than just make an old road bike look new; it absorbs road vibrations and ensures a secure grip in wet weather. Before you begin winding the new rolls, strip away the old tape completely and scrape off any adhesive residue left behind on the metal or carbon. Clean the bars with rubbing alcohol to create a completely dry, non-slip surface. If your brake or shifter cables run along the outside of the bars, secure them tightly against the tubes using electrical tape in three or four key spots so they do not shift while you are wrapping.

    Next, roll back the rubber hoods on your brake levers to expose the metal clamping bands. Adjust the levers if they have moved out of alignment, ensuring they are perfectly level before you commit to wrapping around them. Many tape kits include two short, extra strips of tape; set these aside for now, as you will need them to cover the metal clamps later if you choose not to use the figure-eight method.

    Starting the wrap

    Start at the bottom end of the drop, leaving about half the width of the tape overlapping the open end of the bar. This extra material will be stuffed inside the tube when you push the plastic bar-end plug in at the very end. This process of wrapping drop bars is much more tactile than adjusting a toddler’s balance bike, requiring constant, even tension to prevent the tape from slipping over time. Begin winding from the inside out, moving clockwise on the right side of the handlebar and counterclockwise on the left side.

    As you wrap upward, overlap each turn by roughly one-half to one-third of the tape’s width. Keep the tape taut but do not pull so hard that the material tears. Consistency is key here; keeping the spacing uniform ensures a smooth grip without any uncomfortable ridges or thin spots that will wear out prematurely.

    Navigating the levers

    When you reach the brake lever body, you must decide whether to use the extra filler strips or a figure-eight wrap pattern. The figure-eight method is cleaner but requires careful overlap to avoid creating a bulky lump right where your hands rest. “Pull it tight,” my old cycling mentor used to say when teaching me how to stretch the material around the lever body. If you see any silver metal peeking through … you will need to unwind a turn and try again with tighter spacing. Managing this transition requires the same patience as fixing a wheel with a broken spoke in the middle of a tour.

    Securing the end

    Once you have wrapped past the curve and onto the flat top section of the handlebar, stop about two inches before you reach the stem. Cut the tape at an angle so that the final wrap ends in a straight line perpendicular to the handlebar. Wrap electrical tape around this final edge three times to hold it in place. This task is much easier if your bike is secured in a way that keeps the front wheel from flopping side to side, though you do not need a fancy repair area — even resting the bike on its flat pedals against a low workbench will do the trick. Push the bar-end plugs into the ends of the drops, securing the tucked-in excess tape, and roll the rubber hoods back down.

  • A two-minute pre-ride check

    Testing the brakes and wheels

    Before you swing a leg over the top tube, a systematic sequence of quick touches can prevent a roadside disaster. Start at the controls. Squeeze both brake levers firmly toward the grips to ensure they do not bottom out. You want to feel immediate resistance, a solid point of contact that promises you can execute “an emergency stop” if a car pulls out unexpectedly. If the levers pull all the way to the handlebar, your braking system needs immediate attention before you roll out of the driveway.

    Lift the front of the frame and give the wheel a quick spin. Watch the tire glide between the brake pads or fork legs. It should spin smoothly without any rubbing, resistance, or structural wobble. Give the tire a firm pinch with your thumb and forefinger; after a few weeks of riding, you can easily tell the difference between sixty and thirty pounds of pressure just by feel. If the tire feels unusually soft, you might need to add air or check if your “tubeless sealant” has dried up inside the casing, leaving you vulnerable to thorns … repeat this quick visual and tactile inspection on the rear wheel to ensure everything is seated properly.

    Checking the bolts and cockpit

    Standing over the front wheel, clamp it tightly between your knees and gently try to twist the handlebars from side to side using moderate force. The stem should remain perfectly aligned with the front tire. Any movement here means your steering system is dangerously loose, which requires tightening the clamping bolts immediately. Next, bend down to check the security of your wheels. Ensure that your thru-axles are snug or your quick-release skewers are clamped firmly into the dropouts. A loose wheel can migrate under heavy braking, causing the rotor or rim to drag and wear unevenly.

    Press down firmly on the nose of your saddle to make sure it does not tilt or slide on the seatpost rails. While you are at the back of the bicycle, check your saddle bag or cargo rack to make sure everything is secured. Loose keys or heavy “bike locks” rattling in a loose pack can easily bounce out onto the pavement. My old riding partner used to say, “If it rattles on the porch, it will fall off on the hill,” and his advice still holds true today. Take five seconds to tuck in any loose saddle straps or loose gear.

    Inspecting the drivetrain

    Lift the rear wheel and spin the pedals backward a few times to observe the chain. The chain should glide smoothly through the derailleur pulleys without skipping, catching, or making grinding noises. As you watch the chain wrap around the teeth, look for stiff links that hesitate to straighten out. If you notice persistent skipping on your favorite gear even after adjusting the cable tension, it might be time to plan a “cassette replacement” in your workshop. A quick visual check of the chain will also tell you if it is dry and gray, or if it is still carrying a clean film of lubricant.

    This entire sequence takes less than one hundred and twenty seconds once it becomes a daily habit. By running through this mental checklist — brakes, wheels, bolts, and gears — you catch minor issues at your doorstep rather than five miles down a lonely dirt road. It is a simple, no-cost investment of your time that keeps your rides predictable, safe, and entirely focused on the landscape ahead rather than mechanical anxiety.

  • Truing a wheel at home

    Checking the alignment

    A wobbly wheel can make a bicycle feel sluggish and unpredictable, especially when cornering or riding at speed. Fortunately, you do not need a professional workshop to correct minor lateral movement in your rims. By using the frame of your bicycle and a simple reference point, you can easily restore your wheel to a straight line. Before you begin, flip your bicycle upside down so it rests securely on its saddle and handlebars, or secure it in a way that allows the wheels to spin freely. Spin the wheel slowly and look at the gap between the rim and the frame or the brake pads. Just as a dry or contaminated threaded bottom bracket will announce its issues through sound, an out-of-true rim will show itself through a rhythmic wobble as it passes a fixed point.

    To isolate the exact location of the wobble, you can fasten a plastic zip tie around the frame stay or the fork blade, right next to the rim. Cut the tail of the zip tie so that the end just barely clears the side of the metal rim. As you slowly spin the wheel, the spot where the rim rubs against the plastic tip indicates where the wheel is out of alignment. If the rim moves to the left, it needs to be pulled back to the right. Take your time during this initial inspection to find the center of the bend, which is the point where the rim pushes hardest against your plastic guide.

    The mechanics of tension

    Bicycle wheels are structures of tension, where the hub is suspended in the middle of the rim by thin steel wires. Each spoke acts like a spring, pulling the rim toward the center and toward one side of the hub. When a wheel loses its shape, it is usually because some of these wires have lost their tension or because others are pulling too hard. Often, a wheel loses its shape after a hard hit or because of a broken spoke that suddenly releases tension on one side. Understanding how these opposing forces interact is crucial before you start turning any metal parts, as a hasty turn in the wrong direction can quickly make the wobble much worse.

    Before you apply a spoke key to the small brass nipples at the base of the rim, it is wise to prepare the threads. The small brass pieces can become seized over years of riding, particularly if you ride through wet winters. Applying a single drop of penetrating oil to each nipple where it meets the rim and the spoke will make adjustments much smoother. This lubrication prevents the metal from twisting or stripping, which is a common issue when wheels have suffered from road salt corrosion after months of commuting on treated streets. Let the oil sit for at least ten minutes to penetrate the tiny threads before you attempt to make any turns.

    Turning the nipples

    When you are ready to adjust the tension, remember that standard threads apply here, but because you are looking at the nipple from the top down, the direction can seem reversed. Looking from the rim down toward the hub, turning the nipple clockwise will tighten the spoke and pull the rim toward that side, while turning it counter-clockwise will loosen it. “Small turns are the secret,” a seasoned mechanic once told me while demonstrating this process on a bent touring wheel. You should never turn a nipple more than a quarter of a turn at a time. This cautious approach prevents you from overcorrecting and creating new hops or wobbles in other sections of the wheel.

    If the rim rubs against your zip tie on the left side, locate the spokes in that area that lead to the right side of the hub. Tighten those right-side spokes by a quarter-turn. To keep the overall tension balanced and prevent the wheel from pulling out of round, you can also loosen the neighboring left-side spokes by an eighth-turn. Spin the wheel after every single adjustment to check your progress. As the gap between the rim and your zip tie guide becomes even, you can slide the zip tie slightly closer to the rim to fine-tune the alignment. Working slowly and methodically, you will gradually bring the rim back to a straight line… a process that takes patience — but yields a remarkably smooth ride.

  • Adjusting a loose headset

    Identifying a loose headset

    A loose steering column can quickly turn a smooth ride into a frustrating experience. To diagnose this, stand over the top tube, lock the front brake lever, and gently rock the bicycle forward and backward. If you feel a distinct knocking or rattling sensation through the handlebars, you likely have play in your headset. This quick diagnostic step is a natural part of any routine ABC quick check that you perform before leaving the driveway, helping you catch minor issues before they become unsafe.

    To isolate the play, place your index finger and thumb directly over the seam where the upper headset cup meets the spacer stack. Rock the bike again. If you feel the spacers shifting under your fingers, the assembly lacks the proper preload. Experienced mechanics often warn that “riding on a rattling headset can permanently ruin your frame” so addressing this play immediately is crucial. This mechanical check is just as vital as adjusting your clipless pedals to ensure a secure connection to the machine.

    Loosening the stem

    Many beginners make the mistake of tightening the top cap bolt without first loosening the stem. The stem clamps tightly onto the fork steerer tube, locking the system in place. If you do not loosen the stem’s pinch bolts, turning the top cap will only damage the bolt threads or the star nut inside. This clamp mechanism is highly sensitive, and keeping it properly adjusted is a fundamental aspect of maintaining your preferred bike fit over long seasons of riding.

    Use a hex key — usually a four or five-millimeter size — to loosen the two side bolts on the stem. You only need to turn them counterclockwise until the stem can rotate freely on the steerer tube. Take a moment to inspect the area for grit or residue that might have accumulated after washing a bike, as dirt trapped under the spacers can cause persistent creaking noises later on … which can be highly annoying on quiet country roads.

    Adjusting the preload

    Once the stem is free to slide, you can adjust the tension using the top cap bolt. Gently turn this bolt clockwise. You are not trying to tighten this bolt with great force; its only job is to pull the fork upward and compress the bearings. Turn it in tiny increments — about an eighth of a turn at a time — then lock the front brake and rock the bike again to see if the knocking has stopped.

    Once the knocking disappears, lift the front end of the frame and swing the handlebars from left to right. They should rotate smoothly under their own weight. If the steering feels stiff, heavy, or notched, you have overtightened the preload. Back the top cap bolt off slightly until the steering is perfectly free. Finally, align your stem with the front wheel, tighten the side clamp bolts back down to lock in the adjustment, and you are ready to ride.