E-Bike Fix Guides
Step-by-step repairs and maintenance for every part of your e-bike, with free fixes first and clear "see a shop" points.
Have an error code? Look it up here instead.
Motor & power
See all →The bike won't turn on, cuts out, or the motor won't help. Start here if there's no error code.
Tires & wheels
See all →Flats, tire pressure, wobbly wheels and taking off a heavy hub-motor wheel.
- How to Fix a Flat Tire on an E-BikePatch or replace the tube, even on a motor wheel
- How to Remove a Hub-Motor WheelUnplug the motor cable, then the axle
- How to Set Your E-Bike Tire PressureFewer flats, more range, better grip
- Why Your E-Bike Keeps Getting FlatsStop repeat flats for good
- How to Replace an E-Bike TireRead the size and swap a worn tire
- Broken Spokes on a Hub-Motor WheelWhy they break, and what's safe
- Why Your E-Bike Wheel WobblesLoose axle, bent rim or tire not seated
Brakes
See all →Weak, squeaky or rubbing brakes, worn pads, and the sensors that cut motor power when you brake.
- E-Bike Brakes Weak or Not WorkingWeak, spongy or no stopping power
- How to Stop E-Bike Brakes SqueakingClean, bed in or replace the pads
- How to Check Your Brake PadsTwo-minute check that prevents brake failure
- How to Replace Disc Brake PadsSwap pads and bed them in
- How to Stop a Disc Brake RubbingRe-center the caliper in 5 minutes
- E-Bike Brake Cutoff SensorsMotor cuts out or won't run
Chain & gears
See all →Skipping, slipping, worn chains and gears that won't shift.
- Why Your E-Bike Chain SkipsWorn chain, stiff link or gear adjustment
- How to Clean and Lube Your E-Bike Chain10 minutes that make it last much longer
- How to Check Your Chain for WearReplace it before it wears out the gears
- How to Fix Gears That Won't Shift RightBarrel adjuster, cable and hanger checks
- Why Your E-Bike Chain Keeps Falling OffAdjustment, wear or a bent part
Lights & wiring
See all →Lights that won't work, joining a broken low-voltage wire, and keeping connectors dry.
- E-Bike Headlight Not WorkingSwitch, plug, wire or the light itself
- E-Bike Tail Light Not WorkingUsually a plug or a pinched wire
- How to Splice a Small E-Bike Wire SafelyJoin a cut light or sensor wire
- How to Clean and Waterproof Your ConnectorsPrevent most electrical faults
- How to Use a Multimeter on Your E-BikeCheck voltage and find broken wires
Battery & charging
See all →Charging safely, storing the battery, and getting more range.
Noises & loose parts
See all →Clicks, creaks, grinding, and parts that wobble or come loose.
Cleaning & care
See all →Washing an e-bike safely, and quick checks that prevent most problems.