* Larger, 14-tooth X-SYNC㢠lower pulley allows for a 10- to 50-tooth cassette, and also adds to Eagle۪s overall smooth-pedaling feel* Type-3 ROLLER BEARING CLUTCH㢠features a smoother torque curve for a quieter, more consistent operation and feel* CAGE LOCK㢠has been moved back and out of the way, protecting it from trail debris. * Redesigned, robust mounting system further improves the Eagle㢠derailleur۪s performance and overall durability.