pinit fg en rect gray 20   SRAM (Red) OG 1090 Cassette

sram red og 1090 cassette1   SRAM (Red) OG 1090 Cassette

The OG 1090 cassette’s main cogset is created out of a single forged form and in a complex series of operations that are CNC-guided, it is then heated and shaped into the finished product. Combining titanium’s weight with solid steel’s unrivaled strength and stiffness, it gives meaning to the words “highly durable”.

  • 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.

Specifications

Weight 155g / 11-23, 166g / 11-26
Speeds 10
Recommended Chain PC 1091R, PC 1091, PC 1071
Lock Ring Material Aluminum Anodized
Sprocket Material Heat-Treated Steel
Recommended Group SRAM Red
Available in 11, 12, 13, 14, 15, 16, 17, 19, 21, 23
11, 12, 13, 14, 15, 17, 19, 21, 23, 25
11, 12, 13, 14, 15, 17, 19, 21, 23, 26
11, 12, 13, 14, 15, 17, 19, 22, 25, 28



Technology
The OpenGlide tooth ramping technology makes faster chain transition between cog positions possible. OG was used in this product to ensure higher shift speeds.