. SRAM's OG 1090 cassette delivers a light, stiff and smooth package for road cyclists, with precision machining and OpenGlide technology that delivers ultra-smooth shifts every time.
- Innovative CNC-machined chromoly steel construction for reduced weight
- OpenGlide tooth ramping allows for faster chain transition between cog positions
- Weight: 166g
- Speeds: 10 rear, 2 front
- Made in Taiwan, Republic of China