Repair guides
117 jobs with steps, the tools to buy, torque specs and diagrams. Open any of them in the app to follow along on a 3D bike and log the work.
Frame & Fork
- First check on a store-assembled bikeAluminum frame · 20 min · Level 1
- Wash the bikeAluminum frame · 30 min · Level 1
- Use a torque wrenchAluminum frame · 10 min · Level 1
- Cassette or freewheel? Tell them apartAluminum frame · 10 min · Level 1
- Frame crack and damage inspectionAluminum frame · 10 min · Level 1
- Measure tire and chainring clearanceAluminum frame · 15 min · Level 1
- Fork straightness and mount checkRigid steel fork · 5 min · Level 1
- Fork and thru-axle checkRigid fork (thru-axle) · 5 min · Level 1
- Check a BMX frame after hard landingsBMX frame (chromoly) · 10 min · Level 1
Cockpit
- Adjust headset playThreadless headset (1-1/8") · 10 min · Level 2
- Clean and grease headset bearingsThreadless headset (1-1/8") · 45 min · Level 3
- Replace press-in headset cupsThreadless headset (1-1/8") · 1 hr · Level 3
- Install a new fork (cut the steerer)Threadless headset (1-1/8") · 1.5 hr · Level 3
- Adjust a threaded headsetThreaded headset (quill stem) · 15 min · Level 2
- Flip stem or move spacers (bar height)Threadless stem · 20 min · Level 1
- Raise or lower a quill stemQuill stem · 10 min · Level 1
- Position grips, levers and shifterFlat handlebar · 15 min · Level 1
- Wrap bar tapeDrop handlebar · 30 min · Level 2
- Replace gripsSlip-on grips · 10 min · Level 1
- Set BMX bar angle and stem boltsBMX bars (high rise, 2-piece) · 10 min · Level 1
Drivetrain
- Replace shift cable and housingTrigger shifter (rapidfire) · 45 min · Level 2
- Replace cable in STI leversRoad brake/shift levers (STI) · 60 min · Level 2
- Set brake/shift lever (hood) positionRoad brake/shift levers (STI) · 15 min · Level 2
- Adjust rear derailleur (limits + indexing)Rear derailleur (Shimano MTB-style) · 25 min · Level 2
- Check derailleur pulley wearRear derailleur (Shimano MTB-style) · 15 min · Level 2
- Check and straighten derailleur hangerRear derailleur (Shimano MTB-style) · 20 min · Level 3
- Replace rear derailleurRear derailleur (Shimano MTB-style) · 40 min · Level 3
- Adjust front derailleurFront derailleur · 25 min · Level 2
- Replace front derailleur cableFront derailleur · 30 min · Level 2
- Clean and lube chainDerailleur chain · 10 min · Level 1
- Deep-clean the drivetrainDerailleur chain · 40 min · Level 2
- Measure chain wearDerailleur chain · 5 min · Level 2
- Replace chain (with sizing)Derailleur chain · 20 min · Level 2
- Set single-speed chain tensionSingle-speed chain · 10 min · Level 2
- Remove and install cassetteCassette (Shimano HG freehub) · 20 min · Level 3
- Remove and install a MicroSpline cassetteCassette (Shimano MicroSpline) · 20 min · Level 3
- Remove and install a freewheelThreaded freewheel · 20 min · Level 3
- Change chainring sizeSingle chainring (1x) · 30 min · Level 3
- 2x shifting and chainring careDouble chainrings (2x) · 15 min · Level 2
- Convert 2x or 3x to 1xDouble chainrings (2x) · 1 h · Level 3
- 3x shifting and chainring careTriple chainrings (3x) · 20 min · Level 2
- Remove and install square-taper cranksSquare-taper crankset · 20 min · Level 3
- Remove/install two-piece cranksTwo-piece crank (Hollowtech II style) · 20 min · Level 3
- Replace cartridge bottom bracketCartridge bottom bracket (square taper) · 45 min · Level 3
- Replace external-cup BBExternal-cup BB (BSA) · 30 min · Level 3
- Replace a press-fit bottom bracketPress-fit BB · 1 hr · Level 3
- Remove and install pedalsPlatform pedals · 10 min · Level 1
- Install cleats and set tensionClipless pedals (SPD) · 20 min · Level 2
- Remove, install and remove play from 3-piece cranksBMX 3-piece cranks · 25 min · Level 3
- Replace Mid BB bearingsMid BB (BMX) · 30 min · Level 3
Brakes
- Replace brake cable and housingFlat-bar brake levers (long pull) · 40 min · Level 2
- Bleed Shimano-style hydraulic brakesHydraulic brake lever · 45 min · Level 3
- Center and adjust mechanical disc brakeMechanical disc brake · 20 min · Level 2
- Replace disc brake padsMechanical disc brake · 20 min · Level 2
- Bed in brakes (new pads or rotor)Mechanical disc brake · 10 min · Level 1
- Fix squealing disc brakesMechanical disc brake · 20 min · Level 2
- Replace hydraulic disc padsHydraulic disc brake · 20 min · Level 2
- Center a hydraulic caliperHydraulic disc brake · 5 min · Level 2
- Fix a spongy or pumping hydraulic brakeHydraulic disc brake · 15 min · Level 2
- Shorten a hydraulic hoseHydraulic disc brake · 40 min · Level 3
- Adjust V-brakesV-brake (linear pull rim brake) · 20 min · Level 2
- Replace rim brake padsV-brake (linear pull rim brake) · 20 min · Level 2
- Center and adjust a road caliperRoad caliper rim brake (dual-pivot) · 15 min · Level 2
- Replace rim brake padsRoad caliper rim brake (dual-pivot) · 20 min · Level 2
- Center a side-pull caliperSide-pull caliper (single-pivot) · 15 min · Level 2
- Replace rim brake padsSide-pull caliper (single-pivot) · 20 min · Level 2
- Set up cantilever brakesCantilever brake (older style) · 30 min · Level 2
- Replace rim brake padsCantilever brake (older style) · 20 min · Level 2
- Check coaster brake armCoaster brake · 5 min · Level 1
- True a bent rotor6-bolt disc rotor · 15 min · Level 2
- Replace a rotor / upsize rotor6-bolt disc rotor · 15 min · Level 2
- Replace a Center Lock rotorCenter Lock rotor · 10 min · Level 2
- Take up cable stretch after the first ridesCables and housing · 10 min · Level 1
- Adjust a U-brakeU-brake (BMX rear) · 20 min · Level 2
- Set up a gyro (detangler)Gyro / detangler · 40 min · Level 3
- Going brakeless safelyBrakeless · 5 min · Level 1
Wheels & Tires
- Remove and refit a wheelSpoked wheel (rim + spokes) · 10 min · Level 1
- Build a wheel from a bare hub and rimSpoked wheel (rim + spokes) · 3–4 hr · Level 4
- True a wheel (lateral wobble)Spoked wheel (rim + spokes) · 30 min · Level 3
- Replace a broken spokeSpoked wheel (rim + spokes) · 45 min · Level 3
- Inspect rims for dents and cracksDouble-wall alloy rim · 10 min · Level 1
- Replace rim tapeDouble-wall alloy rim · 20 min · Level 2
- Replace a rim (rebuild the wheel)Double-wall alloy rim · 2–3 hr · Level 4
- Re-tape a tubeless rimTubeless-ready rim · 30 min · Level 2
- Use a quick release properlyQuick-release hub (cup and cone) · 2 min · Level 1
- Adjust and service cup-and-cone hubsQuick-release hub (cup and cone) · 45 min · Level 3
- Install a thru-axle wheelThru-axle hub (sealed bearing) · 2 min · Level 1
- Check and replace sealed hub bearingsThru-axle hub (sealed bearing) · 1 hr · Level 3
- Remove and refit a bolt-on wheelBolt-on hub (nutted axle) · 10 min · Level 1
- Fix a flat tireTire with inner tube · 20 min · Level 1
- Pack a ride repair kitTire with inner tube · 10 min · Level 1
- Look after Presta valvesTire with inner tube · 5 min · Level 1
- Read tire and tube sizesTire with inner tube · 5 min · Level 1
- Set tire pressureTire with inner tube · 3 min · Level 1
- Replace a tireTire with inner tube · 20 min · Level 1
- Set up tubelessTubeless tire · 45 min · Level 3
- Top up tubeless sealantTubeless tire · 10 min · Level 1
- Plug a tubeless punctureTubeless tire · 5 min · Level 2
- Seat a stubborn tubeless beadTubeless tire · 20 min · Level 2
- Remove and refit a BMX rear wheelBMX hub (bolt-on, 14 mm) · 15 min · Level 2
Seat & Contact
- Set saddle heightRigid seatpost (27.2 mm) · 10 min · Level 1
- Pull, clean and grease seatpostRigid seatpost (27.2 mm) · 10 min · Level 1
- Adjust dropper cableDropper seatpost · 15 min · Level 2
- Dropper post clean and lubeDropper seatpost · 20 min · Level 2
- Set saddle angle and setbackSaddle · 15 min · Level 1
Suspension
- Set fork sagSuspension fork · 15 min · Level 2
- Stanchion clean and seal careSuspension fork · 5 min · Level 1
- Fork lower-leg service (every 50–125 hours)Suspension fork · 1 hr · Level 4
- Tune rebound and compressionSuspension fork · 20 min · Level 2
- Set rear shock sagRear air shock · 15 min · Level 2
- Air can service (every 50–125 hours)Rear air shock · 45 min · Level 4