ALL FOR ONE. The integrated drive - German engineering technology for every driver and every terrain - comes from SRAM X1. The simple, intelligent and synchronized design offers optimum handling for every application - from cross-country to all-mountain. With the huge transmission ratio thanks to the 10-42 cassette and a range of chainring options, the drive is equally suitable for beginners as for experienced professionals. With the X-SYNC™ chainrings, the optimized MINI CLUSTER™ cassette and the reliable X-HORIZON™ rear derailleur, the X1 offers the power of the SRAM 1X philosophy for every ride. SRAM X1. BOUNDLESS.