The main cogset of the OG 1090 cassette is machined out of a single forged form that is heat treated and then shaped in a complex series of CNC-guided operations. Weight, stiffness, and strength-wise, the OG 1090 Cassette delivers titanium’s weight with solid steel’s superior strength and stiffness.
Lightweight: Innovative CNC‘d chromoly steel construction
Durable: 35% harder than titanium!
Stiff: 15% stronger than its competitor
OpenGlide technology allows for smoother transition between gears
Open Glide: OpenGlide tooth ramping allows for faster chain transition between cog positions. We employ OG on the radical OG1090 cassette for sure and higher shift speeds
Weight: 155g (11-23), 166g (11-26)
Recommended Chain: PC 1091R, PC 1091, PC 1071
Lock Ring Material: Aluminium Anodized
Sprocket Material: Heat-Treated Steel
Recommended Group: SRAM Red
Buy SRAM OG1090 Cassette 10sp - Black at Chain Reaction Cycles, the world's largest online cycling store.