E13 Helix Plus Cassette | 12 Speed | 9-50T | Black


Helix Plus 12-speed, 556% Range

More Range, Less Weight @406g

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 Cassette.


Compatible with SRAM™ and Shimano™ 12 speed drivetrains
Improved shifting performance including Shimano™ 12 Speed compatibility
Improved interface between steel and aluminum clusters
E*spec uprated for E-bike use
2-piece design allows for replaceable aluminum cogs

Reduces rear wheel weights, improves braking, suspension function and handling
Designed to shift with Shimano™ and SRAM™ systems without compromise, so the rider can change components without concern
e*thirteen’s wider range and 9 tooth cog allows riders to run a 2 tooth smaller chainring for more clearance and reduced weights

In stock