Thorn Cycles Forum
Technical => Transmission => Topic started by: karola on March 10, 2026, 08:58:54 AM
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Hi everyone,
Quick question about the eccentric BB on a Thorn Nomad Mk3 (the newer design with the two clamping bolts under the BB shell, not the older grub screw type). Mine slowly rotates after about 50–70 km and the chain becomes loose again.
I tried using Dynamix assembly paste with friction particles but it didn’t solve the issue. What do you usually run there in practice: grease, assembly paste, or something else?
Best !
Karol