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Re-assemble and attach Shimano Nexus gear (infosec.pub)

submitted 4 weeks ago by thfi@discuss.tchncs.de to c/bikewrench@lemmy.world

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Hello! After I removed the rear wheel from a bike with a Shimano Nexus gear system to repair a puncture, I am having problems reassembling the rear wheel and its gear system: After screwing in the black screw (framed in yellow in the photo), it can be turned further without resistance. The gear shift can be easily removed from the wheel nut (pink arrow in the photo) instead of being firmly seated again.

I have repaired punctures on the same wheel before, removing and refitting the wheel in the process, but have not had any such problems.

I have not opened the gear box and cannot see any obvious damage. Any ideas what could be wrong?

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[–] cubism_pitta@lemmy.world 6 points 4 weeks ago* (last edited 4 weeks ago)

In your picture it looks like there are a few mm between the rear piece and the wheel nut

Is it possible that you are not seating the rear piece on all the way?

I would back the 10mm quite a bit and try to reassemble again.

On my bike when I have trouble with this piece I remove the nut entirely before reinstalling