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Annual Bicycle Tune-Up & Maintenance

A bike that shifts crisply, stops reliably, and rolls true isn't luck – it's the result of working through every system before the season begins. This checklist walks you from drivetrain to headset so you catch wear when it's a $20 part, not a $300 repair. For more background and examples, see the guidance below; for built-in tools and options, use the quick tools guide.

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Wash the entire frame, fork, and components with bike-specific cleaner

Use a dedicated bike wash or diluted dish soap with a soft brush and sponge. Pay close attention to the underside of the down tube, chainstays, and dropout areas – grime accumulates here and can hide developing cracks on metal frames. Rinse top to bottom so dirty water does not run over sections you have already cleaned. Dry with a clean cloth before inspecting; a wet bike makes it easy to miss hairline cracks, corrosion blisters, or frame damage that would be obvious on a dry surface.

Degrease the chain, cassette, chainrings, and derailleur pulleys

Apply a bike-specific degreaser – not WD-40, which is a penetrant and water displacer, not a lubricant – to the chain and allow two minutes of contact time before agitating. Use a stiff brush or chain cleaning device to work degreaser into cassette cog teeth and chainring profiles. Rinse everything thoroughly because degreaser residue actively breaks down fresh lubricant if left behind. Allow the drivetrain to dry completely before applying new lube; using a lint-free rag to accelerate drying is fine.

Measure chain wear with a chain checker tool

A chain checker is a $15–$20 gauge that slots into the links and reads percentage stretch. On 12-speed drivetrains, replace the chain at 0.5% wear; on older 9/10/11-speed systems, 0.75% is the threshold. A worn chain accelerates cassette and chainring wear at an exponential rate – a $25 chain ignored for one season routinely converts into a $100–$200 cassette replacement. If your chain already measures past 1.0%, plan to replace the cassette simultaneously or you will experience immediate chain skip on a new chain because the worn cog teeth no longer match the chain pitch.

Inspect cassette cog teeth for shark-fin wear

Look at each cog from the side under good light. Healthy teeth have a symmetrical profile with gentle ramps on both faces. Worn teeth develop a hooked, asymmetric shape – narrower on one face and curving to a point on the other – commonly described as shark-fin wear. This pattern appears first on the most-used gears, typically the middle third of the cassette. If you can see pronounced shark-finning on more than three cogs, replace the cassette. Running a new chain on a worn cassette produces immediate chain skip under load, which can throw you off the saddle during a hard acceleration or a steep climb.

Check chainring teeth for wear, bending, or missing teeth

Examine each chainring tooth from the side. Like cassette wear, chainring deterioration shows as narrow, asymmetric, or hooked teeth. Bent or missing teeth are immediately visible. On a 1x (single chainring) setup this inspection is especially critical because there is no redundancy – one ring does all the work across the entire gear range. Replace any chainring showing more than four clearly worn teeth, or any ring with a tooth that cannot be gently straightened with a flat-blade screwdriver placed at the tooth base.

Lubricate the chain with the correct lube for your riding conditions

Wet lube is formulated for wet and muddy conditions – it resists washing off but attracts dirt and creates a grinding paste inside the links if over-applied. Dry or wax-based lube performs best in dry climates and on clean roads – it stays cleaner but requires more frequent reapplication. Apply one drop per link while rotating the chain backward through the drivetrain. Let it penetrate for two minutes, then wipe the outside of the chain firmly with a lint-free rag, removing all surface excess. Lube that remains on the outside of the chain collects grit; lube inside the link pins and rollers is where it actually reduces wear.

Check rear derailleur hanger alignment

The derailleur hanger is a soft aluminum tab designed to bend and sacrifice itself in a crash, protecting the derailleur and frame dropout. A bent hanger causes persistent ghost shifting and missed shifts that no cable tension adjustment will resolve. The fix requires a derailleur alignment gauge – a job most shops charge $10–$15 for, or you can buy the tool for $40–$60. With the gauge installed, the derailleur pulleys should be perfectly parallel to the rear wheel plane. Carry a spare hanger specific to your exact frame model on any trip; they cost $5–$15 and are not interchangeable between frames even within the same brand.

Adjust rear derailleur indexing and confirm limit screw settings

With fresh cables and correct hanger alignment, shift through every gear and confirm each click produces a crisp, immediate change with no hesitation or overshooting. If the chain won't climb to the largest cog (easiest gear), increase cable tension by turning the barrel adjuster counter-clockwise in small quarter-turn increments. If the chain overshoots gears or rubs, reduce tension clockwise. The H (high) and L (low) limit screws are mechanical safety stops – confirm the chain reaches the smallest cog cleanly at the H end and stops at the largest cog without the derailleur's body contacting the spokes at the L end. Never adjust limit screws to compensate for a bent hanger.

Adjust front derailleur height, angle, and limit screws

The front derailleur outer cage plate should sit 1–3mm above the tallest tooth of the large chainring when viewed from the side. The cage should run nearly parallel to the chainline. Shift through all gear combinations and note any chain rub – light rubbing in cross-chained combinations (big ring with the biggest cog, or small ring with the smallest cog) is geometrically normal and manageable with small barrel adjuster tweaks rather than limit screw changes. The L (inner) limit screw prevents the chain from dropping to the bottom bracket shell; the H (outer) screw prevents it from jamming between the cage and the frame on the large ring.

Inspect shift cables and housing for fraying, kinking, or corrosion

Unscrew the cable anchor bolt at each derailleur and pull a short length of cable out to examine it visually and by touch. A cable with even one frayed strand should be replaced immediately – cables fail completely under the tension of a hard shift, typically stranding you in an inconvenient gear far from home. Run your fingers along the outside of all cable housing from lever to derailleur, feeling for compressed or crushed sections. Always replace cable and housing together as a set ($15–$25 for the full bike) because a new cable through old compressed housing will not index cleanly regardless of how precisely you adjust the derailleurs.

#10

Measure brake pad thickness and inspect for embedded debris

Rim brake pads have molded wear-indicator grooves – when the grooves are gone, the pad is at minimum usable thickness and must be replaced ($10–$30 per pair). For disc brake pads, minimum friction material thickness is 0.5mm; some manufacturers specify 1mm – check your pads' documentation. Regardless of remaining thickness, inspect the pad surface with a strong flashlight for embedded grit, metal particles, or glazing from overheating. Embedded metal shards score the braking surface with every application and cannot be reliably cleaned; contaminated disc pads must be replaced. Never touch disc pads or rotors with bare hands – skin oils contaminate the surface and cause braking noise and reduced stopping power.

#11

Check brake pad alignment and contact angle on rim or rotor

For rim brakes, each pad must contact the braking track squarely – centered vertically between the tire bead and rim edge – with no contact on the tire sidewall above or below the rim edge. Ideally, the leading edge (toe, facing forward) contacts the rim 0.5–1mm before the trailing edge, which eliminates the resonance that causes high-pitched pad squeal. For disc brakes, look through the caliper gap from behind: the rotor should float evenly centered with roughly equal clearance on each side. A dragging caliper causes heat buildup, brake fade, and accelerated pad wear. To re-center a disc caliper, loosen both mounting bolts, squeeze the brake lever firmly to hydraulically center the caliper, and re-tighten while holding the lever.

#12

Test brake lever feel, reach adjustment, and stopping power

Each lever should feel firm and progressive from first contact – spongy or mushy disc brakes almost always indicate air in the hydraulic fluid, which requires a bleed (materials $20–$50, shop labor $40–$80). Mechanical cable brakes that travel too far before the wheel locks indicate cable stretch, pad wear, or housing compression. Check lever reach – most modern levers have a reach adjustment bolt that brings the lever closer to the bar, which is critical for riders with smaller hands to achieve full braking power without dangerously repositioning their grip. Test each brake in isolation: push the bike forward and grab one lever – it should lock the wheel with clear authority before the lever reaches the handlebar.

#13

Inspect brake cables and hydraulic hose routing for damage

For cable-actuated brakes, follow the full cable path from the lever housing ferrule to the caliper anchor bolt. Look for kinks (sharp bends that permanently weaken the wire), rust showing through the housing, and housing end ferrules that have cracked or are sitting loose in their stops. Kinked cables must be replaced because they are structurally compromised and can fail under peak braking force. For hydraulic hoses, look for any damp areas indicating fluid seepage, abrasion that has worn through the outer braid, or cracking at bends. A leaking hydraulic hose is a safety emergency and the bike must not be ridden until it is repaired. Also confirm that hydraulic hose routing keeps hoses clear of the disc rotor, which can exceed 300°C surface temperature under sustained hard braking.

#14

Check wheel true (lateral wobble) and roundness (vertical hop) while spinning in the frame

Spin each wheel in the frame and observe the gap between the rim and each brake pad or caliper arm. The rim should track a consistent line with less than 1mm of side-to-side deviation; more than 2mm noticeably reduces rim brake effectiveness. Also watch the wheel's path from the side for any vertical hop – an egg-shaped rotation indicates a broken spoke or a severe rim buckle. Minor lateral wobbles can be corrected by adjusting spoke nipples in careful 1/4-turn increments with the correct spoke wrench (the most common nipple sizes are 3.23mm, 3.30mm, and 3.45mm – match the tool to the nipple). Any buckle large enough to cause tire-to-chainstay contact warrants a wheel shop visit rather than a home fix.

#15

Squeeze adjacent spoke pairs and check for loose or broken spokes

Grab pairs of crossing spokes and squeeze firmly. All spokes on a given side of the wheel should feel roughly equal in firmness. A dramatically slack or floppy spoke indicates either the wheel is badly out of true at that point or the spoke has cracked at the elbow where it bends to meet the hub flange. A broken spoke leaves the two adjacent spokes overloaded and they will fail in sequence if not replaced quickly. On carbon rims, spoke replacement requires a professional because the nipple is accessed through the rim bed and excessive nipple torque during installation can crack the laminate internally.

#16

Inspect tires for cuts, sidewall cracking, bulges, and tread wear

Squeeze the entire tire perimeter including the sidewalls, looking for cuts that expose cords beneath the surface, cracked or dried sidewall rubber from UV exposure during storage, and any bulge or soft spot in the carcass. A tire with a visible bulge must be replaced immediately – the internal carcass is already compromised and can blow out violently at speed without any further warning. Most road tires have tread wear indicators, a small dimple or groove in the center tread; when it disappears the tire has reached minimum safe thickness. For commuter, touring, and gravel tires, run a finger along the center line of tread – it wears fastest and thins most critically in a narrow center strip.

#17

Check tire pressure and valve stem condition

Inflate both tires to the pressure printed on the sidewall as a starting point. Optimal pressure varies with rider weight, tire width, and terrain – wider tires can run lower pressure for improved grip and comfort, and heavier riders need higher pressure to prevent pinch flats at the rim. Inspect Presta valves (the slender threaded type found on most road and many mountain bikes) for corrosion at the base or bending of the valve core, which causes slow leaks that are frustratingly difficult to trace. Schrader valves (the car-style type common on commuter and mountain bikes) can develop slow leaks from a loose or stuck valve core; a valve core tool ($3) lets you tighten or replace the core rather than discarding an otherwise sound tube.

#18

Spin each wheel and feel the hub bearings for roughness or side play

With the wheel in the frame, hold both axle ends and try to move the wheel side-to-side in the dropout. Any perceptible side play in a quick-release hub indicates the cup-and-cone bearings need adjustment via the cone nut; in a thru-axle hub it may indicate cartridge bearing wear. Then spin the wheel and feel through the axle for grinding or crunching. Contaminated cup-and-cone bearings can be cleaned and regreased in about 45 minutes with a cone wrench; cartridge bearings are replaced as press-fit units ($10–$30 each). Neglected hub bearings score the metal bearing races permanently, converting a routine service into an expensive hub rebuild or full wheel replacement.

#19

Check quick release skewer or thru-axle closing force

A quick release skewer should require deliberate palm pressure to close – you should feel resistance building in the final third of the lever arc and see a faint impression in your palm after it clicks shut. A skewer that closes with light finger pressure is dangerously undertensioned and can allow the wheel to shift or eject from the dropout under braking or climbing force. Confirm the skewer nut is making flat, full contact with the dropout face and not sitting angled. For thru-axles, tighten to the torque specification printed on the dropout or fork leg (commonly 12–15 Nm) and confirm the lever or bolt has zero play after tightening.

#20

Check the headset for play and smooth rotation

Stand beside the bike, apply the front brake firmly, and rock the bike forward and backward by pushing on the saddle. Any clicking, clunking, or knocking from the head tube area indicates a loose headset – tighten the top cap compression bolt in 1/4-turn increments until play disappears, then re-check. Lift the front wheel and swing the bars slowly side to side: movement should be smooth and effortless with no roughness, notchiness, or gritty feel at center or through the arc. Roughness usually means the bearing balls have pitted the cups after water ingress; cleaning and regreasing takes about 30 minutes and costs only the price of grease. Visibly pitted cups or bearing races must be replaced.

#21

Torque-check all handlebar, stem, and seatpost clamp bolts

Use a beam-style or click-type torque wrench and compare each bolt against the torque value stamped directly on the component or listed in the manufacturer's installation guide. Typical values are 5–6 Nm for carbon bars, stems, and saddle clamps; 8–12 Nm for equivalent aluminum components. A loose stem allows the handlebars to rotate suddenly during a sprint or emergency stop, producing an immediate crash. Over-torqued carbon components develop invisible micro-cracks that cause sudden catastrophic failure – sometimes days or weeks after the over-torquing event and without any visible external damage. On all carbon interfaces, apply a thin layer of carbon assembly paste (friction compound) before assembly; it achieves the required grip at lower clamping force, protecting the fiber layup.

#22

Inspect bar tape or handlebar grips for wear and secure attachment

Road handlebar tape that is peeling at the bar ends, torn through the drops, or has gone flat and hard from compression no longer absorbs road vibration effectively and increases hand fatigue on longer rides. Replacement takes 20–30 minutes and costs $10–$25 for mid-range tape. Mountain bike and gravel lock-on grips should be tested by trying to rotate them on the bar – they must not move at all. Worn or overtightened lock-on collars can strip and allow grip rotation under load, especially when wet, causing sudden loss of steering control. Push-on grips that have loosened can be re-secured with a small amount of hairspray applied inside the grip before installation; it lubricates during fitting, then bonds firmly as it evaporates and sets.

#23

Confirm saddle position is unchanged and inspect rails for damage

Mark your seatpost insertion depth with a wrap of electrical tape at the correct height so you can instantly verify it has not crept during the season or after any seatpost removal. Check saddle tilt: a saddle angled significantly nose-up compresses soft tissue and causes numbness and discomfort on rides exceeding an hour. Inspect where the saddle rails enter the clamp jaws – this is the most common failure point on aluminum and titanium rails, particularly on riders over 80kg riding aggressively. Any crack, kink, or visible deformation at the rail-to-clamp junction means immediate replacement; a rail failure during riding typically causes a sudden drop onto the top tube.

#24

Spin the cranks with the chain off and check for bottom bracket play or roughness

Lift the chain off the chainring and drape it over the chainstay, then spin both crank arms by hand. Rotation should feel completely smooth and frictionless. Try rocking each crank arm left-to-right – any play that remains after confirming the crank bolt is fully tightened (8mm hex, common torque 40–50 Nm) indicates bearing failure. Modern press-fit and threaded external bottom brackets are often more economically replaced than serviced ($20–$60 for a quality unit); traditional square-taper BBs can be cleaned and regreased. A creak that disappears when riding on a smooth indoor trainer but returns on rough pavement often indicates the BB shell threads need facing – a machine shop job – rather than a new bottom bracket.

#25

Check pedal thread integrity in the crank arm and pedal bearing spin

Verify each pedal is fully threaded and tightened (15mm pedal wrench, approximately 35 Nm). The left (non-drive side) pedal uses reverse threading – you tighten it counter-clockwise and loosen it clockwise. If you feel looseness or hear metal-on-metal scraping while threading a pedal, stop immediately. Damaged crank arm threads are expensive to repair ($80–$200 for retapping or crank replacement) and can cause the pedal to eject under load. Spin each pedal on its axle: it should spin freely for several seconds with no grinding, wobble, or side play. Most quality flat and clipless pedals can be serviced with new grease or cartridge bearings; budget pedals are typically cheaper to replace outright.

#26

Verify all lights, GPS units, and accessory mounts are secure

Test front and rear lights for sufficient charge and confirm each mount holds its unit without play or rotation. A light that vibrates loose at speed and falls onto the road can be caught by the wheel, instantly locking it – a crash scenario that is entirely preventable with a 30-second check. GPS computers should click firmly into their mounts with no lateral movement. Inspect rubber O-rings on lights, computers, and action cameras for cracking or compression set from temperature cycling during storage. Cracked O-rings allow water ingress that silently destroys electronics over the course of a wet season.

#27

Take a 10–15 minute test ride close to home and listen for new sounds

Before committing to a long outing or group ride, do a short loop near home. Listen for creaks (often loose bolts, dry pivot bearings, or loose cleat-pedal interfaces on clipless systems), clicks (typically drivetrain-related – indexing, chain line, or bottom bracket), and grinding (bearing-related). Soft creaks that appear only under pedaling load and disappear when you coast can indicate a developing stress fracture in a carbon component and should be taken seriously. If you hear any new sound and cannot immediately locate its source, stop and walk back rather than riding on – especially at speed or far from home.

#28

The $80 question: shop or DIY?

A standard tune-up at a local bike shop runs $60–$120. A full overhaul covering new cables, housing, bearings, and a hydraulic bleed can reach $200–$300. The tools to perform everything on this checklist yourself cost roughly $120–$200 upfront – after two or three seasons of use, you come out ahead financially and you understand your own bike far better than before.

Take the bike to a shop if: it is carbon fiber and has been in any crash (invisible delamination requires specialist evaluation), if it uses electronic shifting (Di2, AXS, or EPS – firmware calibration is software-based, not a wrench job), or if the season starts this weekend and you have never opened a derailleur before.

🔧 The starter kit that handles 90% of this checklist

$15–20 – Chain checker gauge (Park Tool CC-4 or similar)
$10–15 – Spoke wrench (matched to your nipple size)
$18–25 – Hex and Torx key set (2–10mm + T25)
$35–50 – Beam torque wrench (3–15 Nm range)
$20–30 – Chain cleaning device and degreaser
$12–18 – Bike-specific grease (Finish Line or Shimano)
$8–14 – Both a wet lube and a dry lube

📖 The climb that ended the sportive

A club rider skipped his annual inspection three seasons running, topping up lube whenever the chain sounded dry. On a 12% alpine climb 80km into a charity sportive, the cassette – whose teeth had never once been measured – skipped violently under full load and threw the chain. The derailleur struck the spokes, bent the hanger, and shattered the rear mech. Ride over, €340 in parts, and a wasted entry fee. A $15 chain checker gauge and a $60 replacement cassette bought the previous autumn would have prevented it entirely.

🗓️ Three points in the year this checklist matters

Full annual pass (this checklist): Run it in late winter or early spring before group rides resume. Catching a worn cassette in February means the replacement arrives before your first March ride – not during it.

Abbreviated mid-season check (every 1,000km or after any crash): Chain wear, brake pad thickness, tire condition, and bolt torque only – roughly 20 minutes. Any crash should also trigger an immediate frame and fork visual inspection even if nothing looks wrong at speed.

Pre-storage pass (end of season): A clean, lubed, and dry bike stored for six months emerges needing a 20-minute spring check. A dirty bike stored with road salt embedded in the cables and chain emerges needing this entire checklist plus likely new cables and a cassette. Fifteen minutes of cleaning in October is worth two hours of repair in March.

⚠️ Carbon frames need one extra inspection layer

Steel and aluminum frames crack visibly before they fail – you get a warning. Carbon fiber fails differently: internal delamination can develop after a low-speed topple that leaves zero visible surface mark, and the frame can fracture suddenly under load at speed. If your carbon bike has been in any crash, including a static fall against a wall, do a coin-tap test across every tube: tap at 2cm intervals and listen for the sound to shift from a crisp ring to a dull thud. Any dull area indicates internal delamination and warrants a composite repair specialist's assessment before the bike is ridden again.

Also: never use copper-based anti-seize compounds on carbon-touching interfaces such as the seat tube bore or stem clamp area. Use carbon assembly paste (friction compound) exclusively – it provides the grip needed to achieve correct bolt torque at lower clamping force, which protects the carbon fibers from crushing damage.

🧮 What ignoring chain wear actually costs over time

Replace chain at...	Parts needed	Typical cost
0.5% (right on time)	Chain only	$20–$35
0.75% (running late)	Chain + cassette	$80–$150
1.0%+ (far too late)	Chain + cassette + chainring	$150–$350

Figures reflect mid-range 11-speed components. High-end 12-speed groups such as Dura-Ace, Red AXS, and Super Record typically run 2–3× higher across all categories.

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Annual Bicycle Tune-Up & Maintenance

Checklist Items

Cleaning

Drivetrain

Brakes

Wheels

Cockpit & Steering

Bottom Bracket & Pedals

Final Safety Check