Helix Plus 12-Speed 9-50T Cassette Sylvan Not compatible with 24mm spindle

Not compatible with 24mm spindle bottom brackets

As an added bonus

If you're still not clear on what you need

Sylvan Race wheels

A lightweight and affordable e-bike spider compatible 104BCD chainring

Helix Plus 12-Speed 9-50T Cassette Sylvan Not compatible with 24mm spindleINDUSTRY LEADING: Helix Plus 12 speed, 556% Range, 406g More Range, Less Weight Engineered for E bike durability and cross experience compatibility with SRAM and Shimano drivetrains. This 9 50T combination is the hot set up for your 12 Speed MTB and allows for a 2 tooth smaller front chainring, shorter chain length, more clearance and range with our exclusive 9 tooth smallest cog. Future proof your bike, save weight and cash with the Helix Plus