ONE FOR ALL. From SRAM X1 comes the integrated drivetrain engineered in Germany for every rider and every trail. The simple, smart and synchronized design delivers confidence in the face of any terrain—from cross-country racing to all-mountain adventure. With our super-wide 10-42 gear range and multiple chain ring options, it’s the universal drivetrain for experienced or new-to-the-trail riders. Featuring our X-SYNC™ chain rings, optimized MINI CLUSTER™ cassette and dependable X-HORIZON™ rear derailleur, X1 puts the power of the SRAM 1X philosophy into every ride. SRAM X1. LIMITLESS.