ZRACE 11S Road Cassette 11-25T 28T 30T 32T 34T 36T Ultralight CNC Sprocket Fit for SM 105 Ultegra Drivetrain

The new version of the ZRACE 11-speed road cassette optimizes the riveting process based on the old version, redesigns the tooth grooves, and improves stability and gear shifting efficiency.ROAD Endurance ENDURANCE SERIESPursuit of Reliability & Low Maintenance CostCassette flywheel, fixed by the lock ringWeight Reduction HolesSpecs for reference only; minor weight variations may occur across production runs.Urban Commuting, Long-distance Riding,Long-term Outdoor Storage,Low Maintenance Frequency RequirementSHIMANO HG Freehub Design