Originally Posted by
GamblerGORD53
14. Derailler parts are made to fail in 6,000 miles.
the last bike i sold with XT deraillers had 50K miles. okay, i did replace the pulleys twice.
current bike replaced the XT's at 25K. springs were feeling sloppy...could have just been the
crappy stuff shimano sells in china (assuming it wasn't counterfeit!). they also needed 2x
pulley replacement, reasonable considering the monsoon mud bathing we've been doing.