e*thirteen Helix Plus Cassette

Helix Plus 12s Cassette - 9-50T, Black

Engineered for E-bike durability and cross-experience compatibility with SRAM Eagle™ and Shimano™ 12-speed drivetrains. At 406 grams and 556% range, the 9-50T configuration is the hot setup for your 12 Speed MTB or Gravel bike and allows for a 2-tooth smaller front chainring, shorter chain length, more ground clearance, and higher top-speed with our 9 tooth cog.

Compatible with SRAM™, Shimano™ and TRP 12 speed drivetrains

2-piece design allows for replaceable aluminum cogs, lower cost of maintenance, and less waste

Built extra tough and E*spec rated for E-bike use