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

submitted 1 month 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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[–] thfi@discuss.tchncs.de 3 points 3 weeks ago (1 children)

Thanks for the feedback, @cubism_pitta@lemmy.world and @apprehensively_human@lemmy.ca. I solved the problem eventually by using a larger screw to go all the way down. The gear box holds, shifting gears works without problems, but the screw sticks out.

[–] cubism_pitta@lemmy.world 1 points 3 weeks ago

Glad you got it worked out!