Community > Thorn General

new thorn raven...clunking

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balboa:
I took my new Thorn Raven out for a proper ride today for the first time and I've noticed that there is a noticeable clunk/movement within the gears which feels like a dodgy bottom bracket.

Does anyone else have this issue? it's quite annoying, it happens on every turn of the pedals and it's a bit of a jump. hardly a smooth ride!

sloe:
Sounds familiar.

Feel under the BB for the two big silver nuts. Check that they're tight.

Hope this helps.

Fred A-M:
It certainly does sound as if either the eccentric bottom bracket bolts are loose or that the ebb itself is loose through not being aligned centrally.

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