The Helix Race 12-Speed 9-45T cassette extends legendary Helix shift performance and cross compatibility with SRAM™ and Shimano™ 12-speed drivetrains, to the light weight Gravel and XC marketplace. A drop-in replacement for SRAM™ XPLR™ 10-44T Cassettes – A 13% increase in range! Excellent shifting with Shimano™ and SRAM™ systems without compromise Flat-Top Chain and XPLR™ Derailleur Compatible Show More Show Less
