Convert your SRAM Roam 60, 50 or Rail 50 wheels to SRAM 11-speed with the XD Driver Body and Axle Cap. XD is a cassette driver body that allows the use of a 10-tooth small cog and provides an improved interface with the cassette. The axle cap is specific to the XD driver and your preferred axle choice.
|Option||Barcode||Manufacturer's Part Number||Vendor Number|
|142 x 12mm Thru Axle||00710845734786||00.1918.125.011||BTI-GS4547|