Malfuntioning nexus 3

[JA331]

A mate gave me his chwinn cruiser 3 recently in the hope i could fix the nexus 3 coaster hub. The coaster brake seems to lock after being applied. I have pulled it apart but cannot find anything. The bike doesn’t seem to have done much work.

 

[MattiThundrrr]

I found another thread with a locked up Nexus. Theirs was an easy adjustment to fix, hopefully it's the same for you

Nexus locked up, 3 spd, cb.

I recently bought myself a set of wheels with the Shimano Nexus 3-speed hub. I put about 20 miles around the house on it, decided it was going to be acceptable for me. first time I rode to work it seized up, Locked completely solid! so I carry my bike a mile and a half home... disassembling the...

ratrodbikes.com

 

[JA331]

Thanks Matti. I noticed the reaction arm looked slightly bent. I’m now thinking whoever owned the bike before my friend left it loose causing it to swing violently in the frame and causing some mayhem in the hub.