- Friday, July 10, 2020

Southern California Message Boards

 Chain Slipping
Hi all,
I was wondering if this has been a common occurance for any others with their bikes. I just got my bike , a 2006 Blur LT, a few weeks ago. I took it into my LBS for a tune up, as the drive system seemed to be slipping in the gears such as 1on the front rings and the third cog on the rear. Also it slipped when it was on the second chainring on the front and the fourth cog in the rear. It only does it when I am climbing and have to apply some torque on the pedals. The LBS replaced the chain, but I wonder if the new chain is too loose or the derailer is not keeping it taught enough as these seem to be the gears that the chain is running striaght across from the front to the rear requiring the least tension on the chain or derailer. Any help or thoughts would be greatly appreciated.
Posted by Chud a 39 year old Weekend Warrior riding a Santa Cruz Blur LT from Rialto on 04/10/07

Responses: (1) (2) (3) Post Reply  

  •  Re: Chain Slipping
    Sounds kind of strange if everything on the bike is new.
    Is it a brand new bike? If it is maybe one of the teeth are bent on the 4th cog in the rear.
    If it is not a brand new bike, maybe the new chain has exposed the wear and tear the middle chainring up front the and cog set has experienced.
    Usually if I don't change my chain after 4 months, I have to buy a new cassette(cog set) and chain to avoid skippage.
    paz afuera
    Posted by Papisimo a Die-hard Enthusiast riding a Gary Fisher 29er mofo on 04/11/07

    Responses: (0) Reply (to this)(main)

  •  Re: Chain Slipping
    If it's not a new bike, then it is likely that the chain rings are worn, and the rear cassette as well. Replacing the chain will only make the problem worse. Likely that you will need to replace the chainrings and cassette to make it go away.
    Posted by BrahMa riding a RFX and a Flux on 04/12/07

    Responses: (0) Reply (to this)(main)

  •  Re: Chain Slipping
    I had the SAME thing happen to me on both my bikes (mtn AND daily commuter) whenever Id stand and pump em up a hill. I managed to fix both bikes by replacing the stock plastic jockey wheels with KCNC jockey wheels bought on eBay. They were a little spendy (about $25 for two), but I thought Id give that a shot before I invested in something pricier like a new crankset, derailer, chain, etc. You can still get the jockey wheels here: http://cgi.ebay.com/KCNC-Jockey-Wheels-for-Rear-Derailleur-Multicolor-Ready_W0QQitemZ200100806053QQihZ010QQcategoryZ7295QQrdZ1QQssPageNameZWD1VQQcmdZViewItem

    I got em in red. Red goes faster. :o)
    Posted by ToxicHaste a 100 year old Weekend Warrior riding a Nishiki road bike (commuter) Mongoose (m from San Pedro on 05/16/07

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