We’ve taken aluminum to another level. Careful engineering has resulted in crankarms that optimize stiffness to weight ratio, with material only where it’s needed, available in lengths from 160 to 175 mm. SPECIFICATIONS Speeds 12, 13 BB Compatibility All SRAM Road DUB BBs, All SRAM Road WIDE DUB BBs Chainring Size n/a Crank arm length 160mm, 165mm, 170mm, 172.5mm, 175mm Chainline 44.7mm, 47.5mm BB Spindle Interface DUB Chainring material n/a Guard n/a Bolt Circle Diameter (BCD) Direct Mount (DM) Crank arm material Aluminum Color (Crank arm) Black Power meter n/a Power Meter Type n/a Chainring Offset n/a Bottom Bracket Technology n/a FEATURES bolt interface compatible with power and non-power AXS spiders and integrated chainrings DUB bottom bracket adds durability and simplicity Aluminum arms optimized for stiffness and light weight Available in standard and Wide spindle lengths