from eagle nest, nmDate Reviewed: August 17, 2005Strengths: great if not used for anything other than xc and is kept clean and tunedWeaknesses: did start jumping gears on me really bad after i had it a while and breaks pretty easilyBottom Line: im runing a trek 4900 this derailleur came with it i dont do any real extreme stuff with that bike but the 9.0 snapped in half it was a pretty good part ti