Sram manages to make their lightest and stiffest crank even lighter. A new, optimized layup further reduces the weight of the hollow carbon arms and to meet current fitness trends, Sram's first carbon crank arm length of 160mm was introduced. The X-Range gearing ensures that the cadence changes as little as possible when shifting at the front, maximizing your ability to perform.

- One-piece 2x chainring results in a lighter, stiffer and more durable crankset
- 29 g lighter than the previous generation
- X-Range gear technology gives you more gear range and better gear progression so you're always in the right gear
- Crisp and precise gear changes at the front
- Ultralight hollow carbon fiber crank arms
- DUB bottom bracket ensures durability and simplicity
- 50/37, 48/35 and 46/33 chainring combinations available
- Can be upgraded with a power meter
- Available in 160, 165, 167.5, 170, 172.5 mm crank length
- Axle diameter: 28.99mm
- Chainring mount: Directmount
- Group affiliation: Red eTap
- Weight 965g according to manufacturer

Sram number:
- 170mm / 00.6118.683.015
- 172.5mm / 00.6118.683.016

(Translated with Google Translate)