E*thirteen Helix Plus 12sp Cassette 9-50t - Black Cogs-14-16-18-20-22-24-28 Measuring left-side power to calculate

Measuring left-side power to calculate total watts it’s subtle lightweight compatible with any chainring setup and boasts an extra long battery life

}RaceFace Narrow Wide Chainring: Direct Mount CINCH 34t Blue

helmet mount with 2200 model

Color Black/Silver Ring Position/Type Chain Retaining Single Ring Tooth Count 32 Round or Oval Round Drivetrain Speeds 12 Offset 0 Material Aluminum Defined Color Black Defined Color Silver

E*thirteen Helix Plus 12sp Cassette 9-50t - Black Cogs-14-16-18-20-22-24-28 Measuring left-side power to calculateEngineered for E bike durability Work flawlessly with Shimano and SRAM (non Transmission) 12sp drivetrains, regardless of different cog spacing and chain behavior Improved reliability of a steel and aluminum assembly Offering a 556% range utilizing an XD driver to enable a 9 50t, 12sp cassette Special note for Hope hub owners: Hope XD drivers do not adhere to the XD specification and require an additional shim. Shims can be acquired from E*Thirteen