E-bikes vibrate more than regular bikes (motor + weight), and bolts loosen. A monthly 5-minute check prevents the scary failures. Here's the routine.
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The checklist
- Axle nuts / thru-axles: wheels must not move — the critical safety check
- Stem and handlebar bolts: no play in steering
- Seatpost clamp: saddle shouldn't rotate or slip
- Rack and fender bolts: the most commonly loosened on commuters
- Motor mounting bolts: check per manufacturer spec
- Brake caliper bolts: brakes must not shift
- Crank arms: no wobble
Use a torque wrench on carbon parts and follow manufacturer specs — 'tight enough' cracks carbon and strips aluminum.
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Frequently asked questions
How often should I check bolts?
Monthly for regular riders; before every ride for the quick axle/stem/handlebar safety check.
