Wheely King Posted June 22, 2010 Share Hi, My rear derailieur keeps on jumping gears. I don't want to take to local bike shop, how can I fix myself? Tx Link to comment Share on other sites More sharing options...
Vinnydabutcher Posted June 22, 2010 Share There is a long list of what might be wrong: Limit screws wrongly adjustedHangar bentStiff link in the chainBent link in the chainDry derailleur wheelsDirty cablesect I would start by looking at the derailleur from behind the bike and check that it`s hanging straight If so reset your upper and lower limit screws - it`s easier to do this with the chain off if you can but not nessicary Check the derailleur wheel move freely Set your gears again - that should sort it out but these steps are not fool proof - there is a lot that can go wrong back there. Hope this helps Link to comment Share on other sites More sharing options...
jmaccelari Posted June 22, 2010 Share There is a long list of what might be wrong: Limit screws wrongly adjustedHangar bentStiff link in the chainBent link in the chainDry derailleur wheelsDirty cablesect Add to that a worn cassette and chain... Link to comment Share on other sites More sharing options...
Super_mil Posted June 22, 2010 Share Yup everything mentioned above will cause shifting problems.Check out Bicycle Tutor for some vids on how to solve your issues Link to comment Share on other sites More sharing options...
Bbox Posted June 22, 2010 Share My hanger is bent and it keeps jumping gears. I'm taking it in to my LBS to have a look at...... Maybe they can bend it straight Link to comment Share on other sites More sharing options...
stewie911 Posted June 22, 2010 Share Limit screws won't cause the gears to jump. Maybe just the biggest and smallest cogs, but not the rest. If your gears are set up correctly and they still jump, then one of the above mentioned reasons is the problem. Link to comment Share on other sites More sharing options...
AndreZA Posted June 22, 2010 Share Or it can as simple as just playing with the adjustment barrels. Link to comment Share on other sites More sharing options...
Wheely King Posted June 22, 2010 Share Thanks for all the replies chaps! I'll try the suggestions tonight. Link to comment Share on other sites More sharing options...
Christopher Brunsdon Posted June 22, 2010 Share Wheely King: I had the same problem for a couple of months. Setting the derailleur helped on most gears but I still found it skipped on the 4-5th (I ride 8spd MTB). I then replaced my cassette and chain and skipping was resolved. I also once had a bent hanger and just bought a new one instead - much cheaper. I 2nd the bicycle tutor vids, helped me stacks. Also, get yourself a service stand. I bought one of those ones they use to display bikes on shop floors for R120 randts. Thought it would not work but its magic. Made servicing my bike a dream. I must say that I've found it worth my while to learn how to service my bike. Not only am I saving a stack but I'm also getting to understand my bike better. Link to comment Share on other sites More sharing options...
kosmonooit Posted June 23, 2010 Share The dreaded slippery gears .... You might also download the instruction sheet for your model RD and work through the procedure in setting it up, thats a good start. If it still jumps after fine tuning then you might have other problems as mentioned. There is also quite a lot of video on this on youtube and also some manufacturers web sites. On this issue, I recently fitted new SRAM X9 RD on my two mtb's, both were lemons! The quad sticks and does not move freely, causing slipper crunchy gears. Sent the one back to CRC and they acknowledged fault and gave me credit vouchers, still have to try to get Solomons to take back the other. So make sure the RD moves freely with cable movement. Some you can take apart to free up (X0), others are riveted. Link to comment Share on other sites More sharing options...
Cassie Posted June 23, 2010 Share On a related note....I decided to change my RD wheels to some zooty looking alu ones.But I notice quite a bit of lateral play in the two wheels....haven't yet been for a test ride, but I'm worried that the amount of lateral play will be detremental to good, efficient shifting? Any similar experiences? Link to comment Share on other sites More sharing options...
David Marshall Posted June 23, 2010 Share There should be lateral play on the top wheel and minimal play on the bottom. Although the wheels look the same don't mix them up. Link to comment Share on other sites More sharing options...
Recommended Posts
Create an account or sign in to comment
You need to be a member in order to leave a comment
Create an account
Sign up for a new account. It's easy!
Register a new accountSign in
Already have an account? Sign in here.
Sign In Now