SRAM XX1 DM PF30 Q156 crankset

Developed For Maximum Chain Control, Each Tooth´s Thickness Is Precisely Cnc-Machined To Support The Chain´s Inner And Outer Links Perfectly. Six Available Chainrings (28-30-32-34-36-38) Allow You To Tune Your Gear Range To Match Your Terrain, Wheel Size And Riding Style. Each X-Sync Chain Ring Fits A Single, Universal Spider Allowing You To Change Rings Without Removing The Lightweight Carbon Crank Arm. New X-Sync Tooth Profile Provides Maximum Chain Control. Carbon Arms. Cnc- X-Sync Machined Rings (28-30-32-34-36-38). New Spider Design Allows For Easier Ring Changes. Wide/Narrow Q-Factor Cranks For Bb30 And Gxp. Specifications: - Weight: +- 670 G.