SRAM/Truvativ X0 X9 39T 120mm BB30 Chainring Crow Saddle A distinct channel along either

A distinct channel along either side of the center knobs along with ample spacing between all lugs helps to clear debris

Double Butted: 2

Maintain Momentum with a tread pattern that has been developed to maximize traction in climbing

Great for displaying helmets and hats

2-6 Thickened EVA and thickened shock absorbing material at the collision proof point

SRAM/Truvativ X0 X9 39T 120mm BB30 Chainring Crow Saddle A distinct channel along eitherOriginal equipment on SRAM and Truvativ cranks they also work well with other drive trains. Supplied in TruVativ packaging Ring Position Type Outer Tooth Count 39 Drivetrain Speeds 10 Chainring BCD 120 Color Black Defined Color Black