e*thirteen Helix Race 12-Speed 9-50T Cassette - Bronze

The HELIX Race Cassette is an upgrade to any SRAM™ Eagle™ or Shimano™ shifter and derailluer combination*, with more range than any other cassette on the market. The 9-tooth cog lets you step down one chainring size while keeping the same top-end gearing and provides not only better ground clearance but an overall lighter drivetrain.

Features
Compatible with SRAM®, Shimano® and TRP® shifters and derailleurs of the same gearing count and similar cage capacity (mounts on an XD driver only).
Two-piece design with replaceable aluminum cogs.
e*spec uprated for e-bike use.

Specifications
Compatibility: Compatible with SRAM®, Shimano® and TRP® shifters and derailleurs of the same gearing count and similar cage capacity.
Freehub Mount: XD™ and XDR™ (with shim) drivers only
Material: 2 aluminum cogs, 10 steel cogs; PVD finishing on Intergalactic model improves durability and wear life
Range: 556%
Size: 9–50T (9, 11, 13, 15, 17, 20, 23, 27, 31, 36, 42, 50)
Speeds: 12-speed

Mfr Claimed Weight
384g