Price: $199.99
(as of Jan 12, 2025 06:30:14 UTC – Details)

Helix Plus 12-Speed 9-50T cassettes are a drivetrain upgrade on a budget for analog and e-bikes alike. Engineered to deliver Helix shifting precision, and cross compatibility with all SRAM and Shimano 12-speed drivetrains, the Helix Plus is also e*spec rated to withstand the rigors of e-MTB. e*thirteen’s exclusive 9 tooth highest gear cog, provides a 556% gear range, and lets you step down one chainring size, while keeping the same top end gearing, meaning both better ground clearance and an overall lighter drivetrain.Features 10 steel cogs and a 42-50t aluminum cluster that can be replaced as neededCross-compatible with Shimano and SRAM drivetrains, including electronic shift systemsXD driver compatiblee*spec rated for use on e-bikes Engineered with improved durability of 2 part steel and aluminum assemblyItem SpecificationsCassette Body TypeSRAM XD 11/12 SpeedCassette Body TypeSRAM XDRCassette Cogs9, 11, 13, 15, 17, 20, 23, 27, 31, 36, 42, 50ColorBlackDefined ColorBlackDesigned for ebikeYesDrivetrain Speeds12Range9-50Weight410
e*thirteen