Is your mountain biking experience filled with steep, technical ascents, long climbs, and the need to spring into a sprint at a seconds notice? Increase your gearing options with a the Shimano XTR RD-M986 SGS Long Cage 10-Speed mountain bike derailleur. With Shimano's Dyna-Sys and Shadow Plus technology, you get a fuller range of gearing options in a low-profile package. A lightweight aluminum and carbon construction keeps the grams down, and a stainless spring means years and years of reliability.
Aluminum construction with carbon cage is ultra light
Dyna-sys/SGS long cage technology shifts smoothly over greater gear differential
Shadow Plus design keeps low profile and is less prone to damage