bike wrench

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A place to ask bicycle repair questions, and for bike shop monkeys to share advanced non commercial wrenching resources (no YouTube self promotion). This is only for repair related topics.

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Can i replace the 19mm nuts on my ebike's rear axle with 18mm nuts? (slrpnk.net)

submitted 6 months ago by [email protected] to c/[email protected]

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Context: my ebike has 19mm nuts on the rear axle (and 15mm on the front). I have an old Proto wrench that's a 15mm/18mm, so i'm wondering if i could replace the rear nuts with 18mm nuts instead, so i can carry around one less wrench.

The bike is an Eahora Cupid with a 1000w motor if that makes any difference.

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[–] [email protected] 3 points 6 months ago

There are some options for oddball hardware out there if you know where to look and probably spend a little more. You just need to match the thread pitch and whatever other features the nut has (flared, serrated, nylock, whatever). In the US I use McMaster-Carr, they might ship overseas. Just go through the parameter list and pick what you want.