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31/07/2011 7:24:52 PM
James Raison
Posts 4
Howdy, just a quick question to those with greater mechanical ability than myself! So I just got a new bike with Sram red drive train. Clocked up some miles on it and noticed an oddly specific chain slip. When on the smallest sprocket, putting some force through the pedals, the chain slips a tooth. It does it consistently every few seconds under those conditions, and only on that gear. Is this just a matter of the rear derailleur spring being a bit loose and not keeping enough tension on the chain?

Cheers in advance, James
6/08/2011 6:55:58 PM
Jason B Spencer
Jason B Spencer
Posts 5
Hi.
Most likely the High limit screw on the rear derailleur is not adjusted correctly.
If you got the bike from a shop then just take back to them and they'll sort it out easy. otherwise if you want to fix it yourself (assuming my diagnosis is right), then a small screw on the derailleur with either H or High written next to it. Just unwind that maybe 1 turn so that the chain runs straight off the sprocket on the jockey wheels (not at an angle) when in that gear.
*If you unwind it too far it may be possible for the chain to slip off between the cassette and the frame, scratching the frame so just be careful of that.
8/08/2011 9:14:13 PM
James Raison
Posts 4
Thanks for the advice mate, I will give it a crack!
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