e*thirteen Helix Race 12-Speed 9-50T Cassette - Bronze Size:9-50 Automatically shifts so anyone can

Automatically shifts so anyone can enjoy cycling without being an expert

As typical for Shimano

the Vaypor SL creates a secure connection between rider and bike while allowing your foot to function naturally

MotionControl (MoCo)

NOT GoPro Compatible

e*thirteen Helix Race 12-Speed 9-50T Cassette - Bronze Size:9-50 Automatically shifts so anyone canThe HELIX Race Cassette is an upgrade to any SRAM Eagle or Shimano shifter and derailluer combination*, with more range than any other cassette on the market. The 9 tooth cog lets you step down one chainring size while keeping the same top end gearing and provides not only better ground clearance but an overall lighter drivetrain. Features Compatible with SRAM, Shimano and TRP shifters and derailleurs of the same gearing count and similar cage