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Old 08-10-14, 03:42 PM   #1
jakecycle
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Question Miche junior 11 speed cassette/ ultegra 6800 rear derailleur not working.

So I just purchased a new bike, a Trek madone 5.2 with ulegra. Unfortunately, the 2014 and up models come with ultegra 6800 11 speed. So being a junior you either have to get cyclocross chain rings or a custom cassette. I choose the cassette, Miche 14-27 to be specific. It worked for sometime, however after 1,000 miles it no longer seems to like me. After trying to adjust the rear shifting the barrel adjuster no longer want to screw in. I guess to go along with that the shifting is now absolutely trash. I've released the tension and checked the limit screws and they seem to be fine. Any other suggestions? Anything would be appreciated, you really never know what might work.
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Old 08-11-14, 08:20 AM   #2
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Have you take it back to the shop since you bought it?
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Old 08-14-14, 07:05 PM   #3
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You could try using the high and low limit screws. Using the barrel adjuster isn't the only way to adjust a rear derailleur. Ask this in the Mechanics forum or look up how to adjust a rear derailleur on youtube
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Old 08-26-14, 07:54 AM   #4
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Quote:
Originally Posted by jakecycle View Post
So I just purchased a new bike, a Trek madone 5.2 with ulegra. Unfortunately, the 2014 and up models come with ultegra 6800 11 speed. So being a junior you either have to get cyclocross chain rings or a custom cassette. I choose the cassette, Miche 14-27 to be specific. It worked for sometime, however after 1,000 miles it no longer seems to like me. After trying to adjust the rear shifting the barrel adjuster no longer want to screw in. I guess to go along with that the shifting is now absolutely trash. I've released the tension and checked the limit screws and they seem to be fine. Any other suggestions? Anything would be appreciated, you really never know what might work.
Seems like you unscrewed the barrel adjuster all the way out of the derailleur body. You need to screw it back into the derailleur body before you do any adjusting. If you've tried to just screw it in without taking into account the spring and the actual threaded part (i.e. you just turned the barrel part without pre-loading the barrel to the threaded part) you probably damaged the first thread or so in the derailleur body. If this is the case you need to chase the threads, either by using a tap or by screwing in a bolt of the right thread from the other side (if possible). Once the barrel adjuster assembly is back in the body you can re-tension the cable.

The same goes for any other barrel adjusters. I have them on the downtube for the shifting cables. If you unscrew it all the way it won't go back in "automatically", you have to thread it in carefully.

The limit screws rarely need to be touched once initially adjusted. If you need to touch them it usually means the derailleur is no longer lined up like it was before, i.e. your derailleur and/or hanger got tweaked. Or you put a different wheel in your frame.
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