SRAM, Apex XPLR D1, Dérailleur arrière routeYou want your bike to do everything, so you need gears that can do everything. The Apex XPLR derailleur hits the sweet spot of smooth jumps over a big gear range, all with unmatched chain security and the simplicity of a 1x drivetrain. Quietly and quickly shift across 12 speed cassettes with 44T large cogs knowing you'll have the gears you need. Compatible avec les cassettes grands pignons 44D Utilisation avec une chane Flattop Compatible avec les