Description

Engineered for e-bike durability and cross-experience compatibility with SRAM and Shimano drivetrains, this 9-50T ethirteen Helix Plus cassette is a great pick for your 12-speed mountain bike.

Features

• Allows for a 2T smaller front chainring, shorter chain length, and more clearance and range with its 9T smallest cog
• Built for seamless compatibility with Shimano and SRAM 12-speed drivetrains, despite the challenges in designing for the different cog spacing and chain behavior
• 2-piece design allows for replaceable aluminum cogs
• Freehub mount for XD and XDR drivers only
• Profile: 9, 11, 13, 15, 17, 20, 23, 27, 31, 36, 42 and 50 teeth; total range of 556% range
• E*Spec uprated for e-bike use