SRAM X01 Type 2.1 1x11 Speed Rear Derailleur - 11 Speed Exclusive 2 Chain Checker

2 Chain Checker

and a steel core for added strength

They have a wider edge to edge contact area that gives better performance with a solid pedal to shoe interface for efficient power transfer

We're confident that they'll love this pack

SRAM X01 Type 2.1 1x11 Speed Rear Derailleur - 11 Speed Exclusive 2 Chain CheckerPulling all the good bits of technology from it's big brother (SRAM XX1) the X01 derailleur offers serious punch at a more budget concious price. Sporting the same genius X HORIZON parrallelogram design to eliminate ghost shifting and ROLLER BEARING CLUTCH to hold the chain tight an reduce chain slap. The main differences between the XX1 and the X01 are: Standard sealed bearings in the jockey wheel on X01, Ceramic Hybrid in the XX1. Stainless steel