e*thirteen Helix R 12-Speed Cassette

Overview

Helix Race 12 Speed Cassette product overview

The Helix R 12-speed cassette upgrades your SRAM Eagle or Shimano drivetrains with more range than any cassette on the market.

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Features

Built to deliver flawless performance with Shimano and SRAM 12-speed drivetrains with different cog spacing and chain behavior.

Easily replace the large aluminum one-piece 42/50-tooth cluster so you can keep your inner steel cluster for multiple seasons and freshen up the big ring as needed, all without buying a whole new cassette.

Specs

Manufacturer part #	FW2URA-112
Teeth	9-50t
Speed	12
Mount type	SRAM XD
Weight	345g

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Flawless Shimano and SRAM integration

More seasons, more miles