Find a Dealer

The S-900 carbon arms are made from hand layed-up carbon material and pressure cured for high strength and light weight.|Arms are assembled with SRAM's durable GXP BB system or BB30 for a light weight and smooth rotation.

Read More
Read Less

$237 - $288

Model ID


  • Features TSM PowerGlide™ 10 Speed chainrings with high performance shift technology.
  • Uni-directional carbon finish.
  • Available in GXP, Press fit GXP, BB30, BB79, and Press fit BB30.
See more features
See less features


Speeds 10, 162.5mm, 165mm, 170mm, 172.5mm, 175mm, 177.5mm
BB Compatibility BB30/PF30-68/73mm, GXP/PF GXP 68mm, Standard
Chainring Size 10s: 46/38, 10s: 53/39, 10s: 53/39 (SRAM chain), 10s: 53/39TT (SRAM chain), 10s: 54/42TT (SRAM chain), 10s: 55/42TT (SRAM chain), 53/39
Crank arm length 172.5mm, 175mm, Yes
Chainline 47.5mm
BB Spindle Interface ^, 24mm, 30mm, BB30 (68or73orBBRight), English/BSA 68mm, English/BSA 73mm, PF30 (68-73), PF30 (79-83 or BBRight), PressFit (Road: 86.5mm)
Color (Crank arm) Natural carbon