Why Your E-Bike Wheel Wobbles

In plain English

A wobble can come from the wheel itself (bent rim or loose spokes), from the tire (bead not seated evenly), or from how the wheel is held (loose axle or worn bearings). The first two checks are free and catch the dangerous causes.

Work from the top. Steps go from free and easy to shop jobs. Switch the bike off before touching any connector. Tick each step as you go. Your progress is saved on this device.

1. 1Check the axle is tightFree Grab the wheel and try to rock it side to side. If it moves in the frame, the axle nuts or quick-release are loose. Tighten them firmly.
2. 2Check the tire is seated evenlyFree Look at the thin line molded just above the rim on both sides of the tire. It should be the same height all round. If it dips, let the air out, massage the tire, and reinflate.
3. 3Spin the wheel and watchFree Lift the wheel and spin it slowly. Watch where the tire meets the rim and where the rim passes the brake. Look and listen for rubbing, wobbling or clicking.
4. 4Squeeze the spokesFree Squeeze neighboring spokes in pairs. Loose ones let the rim wobble.
5. 5Have the wheel checkedShop job A shop can true (straighten) the wheel, replace spokes and check the hub bearings.

Parts you might need

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Only buy a part if the free steps didn't fix it. Always match the voltage and connector type to your bike.

• Bike multi-tool or hex key set

  Fits nearly every bolt on a bike. Useful for almost every guide here.

  Link coming soon

• Floor pump with gauge

  Soft tires make the motor work harder and cost range.

  Link coming soon