QUARQ D2 DUB Carbon crank

Sleek Geometry Of Carbon Fiber Arms To Pair With A Quarq Dzero Or Dfour Dub Power Meter Spider, Builds A Power Meter That Can Handle The Toughest Of Conditions. Available In Lengths From 165 To 177.5 So Every Rider Can Achieve Their Proper Fit. Features: - Compatible With Quarq Dzero Dub™ And Dfour Dub™ Power Meter Spiders - Requires A Sram Dub™ Bottom Bracket Specifications: - Crank Arm Length: 165mm, 167.5mm, 170mm, 172.5mm, 175mm, 177.5mm - Bb Spindle Interface: Dub - Bb Compatibility: All Sram Road Dub Bbs - Speeds: 12 - Chainring Material: No Rings - Bolt Circle Diameter (Bcd): N/A - Chainline: N/A - Chainring Size: No Rings Technology: Dub: - The Relationship Between Bottom Bracket Spindle And Bearing Is The Core Of Dub Technologyq It´s Where Stiffness Meets Durability. We Took It A Step Beyond Conventional Thinking And Made Everything Simpler—Better Integrating The Relationship Between Chainring, Crank, Spindle And Bottom Bracket. It´s This Approach To Developing A Complete System That Equals Better Drivetrain Performance.