SRAM X9 - Designed for durability. From steep, seemingly endless climbs to hair-raising, technically challenging descents, the X9 can handle anything that comes your way. With smooth and precise shifting, you can cover greater distances in less time. The lightweight, stiff, and always reliable crankset helps you maintain your momentum even on rough terrain. Whether you're sprinting on the home stretch or tackling a full-day ride, your best journey starts with the X9. • Type: Shift rollers • Included: 2 SRAM X9 derailleur rollers • Compatibility: Derailleur • Suitable for: SRAM X9 / X7 (from 2012) / 10-speed.