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1 vote
1 answer
478 views

Rear derailleur catches and springs towards front of bike when in predominately in the smallest front chainring

I have a Planet X EC-130 carbon road bike with Ultegra group set. I have the stated problem above; it mainly happens while in the smallest chainring and does it at all speeds. It sometimes goes 20 ...
Neily H 's user avatar
9 votes
5 answers
2k views

I failed to replace my chain at the proper interval. Will I have to replace my whole drivetrain?

My bicycle is a 2012 Specialized Secteur. It has 6000 miles (10000 km), and I have never replaced the chain. I recently began noticing that the chain always seems out of alignment with the rear ...
Carlo David's user avatar
4 votes
2 answers
3k views

Rear derailleur max capacity exceeded?

My MTB is a Lapierre X-Flow 512 2012. It has a Shimano RD-M980-SGS 10v rear derailleur which has a total capacity of 41t (see official specs). But it comes with a 11-36 cassette and a 24-42 crankset (...
Gabriel Hautclocq's user avatar
3 votes
2 answers
140 views

Replaced chain, now the chain falls onto the small chaining

I rode for a little while longer then I should have with my old chain, so I replaced the old chain and cassette. But now when I ride in the big ring, the drivetrain makes a horrible sound and the ...
Chris's user avatar
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