scooby15 Posted June 17, 2015 Posted June 17, 2015 Hi Yesterday cleaning my bike I noticed that it seems that the chain has been "eating" into my rear derailleur cage. XT derailler and im on my second chain in 2 years. This cant be normal. Any advice/idea what could cause this???
JXV Posted June 17, 2015 Posted June 17, 2015 Looks like incorrect chain routing. On both my bikes with older 9spd XT and current 10spd XT the chain routes behind that metal tab and only contacts the pulleys, as it should. Also if you fitted pulley wheels that are too big this can happen even when correctly routed. The chain should not touch that metal tab at all. That setup must be noisy and energy sapping! The Shimano pulley wheels are assymetric, especially the inner one, to assist shifting so if incorrectly assembled there could be issues with sub optimal shifting too.
VicanZA Posted June 17, 2015 Posted June 17, 2015 dude, I change my chain every 4-6 months, get the park tool to check the wear on it.
dirtypot Posted June 17, 2015 Posted June 17, 2015 As JXV mentioned, your chain routing is wrong. the chain should be above that metal tab, not below it.
Paul Ruinaard Posted June 17, 2015 Posted June 17, 2015 Ja made that mistake myself, the routing needs to be on the other side of that plate. BTW - change that chain more often or get a guage.
scooby15 Posted June 17, 2015 Author Posted June 17, 2015 thanks for the feedback , must have got it wrong when replacing the chain
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