The SRAM Force eTap AXS 1X HDR groupset offers wireless shifting, modern gearing, advanced chain management, and easy personalization in an affordable package. The Force eTap AXS shifter, rear derailleur, cassette and chain are optimized for electronic shifting, providing smooth, precise shifts. Proprietary X-Range™ gearing technology enhances gear range with innovative chainring/cassette combinations. Fully sealed hydraulic brakes provide contamination-free braking in all weather conditions. Compatible with 140mm or 160mm rotors.