We’re not ones to rest on our laurels. So when we found ways to make our lightest and stiffest crankarms even lighter, we went for it. A new process drops further grams from our hollow carbon arms, and to stay on top of current fit trends we’ve added our first carbon 160mm crankarm length option. Features 29 g lighter than previous generation 8-bolt interface compatible with power and non-power AXS spiders and integrated chainrings DUB bottom bracket adds durability and simplicity Available in 150, 155, 160, 165, 167.5, 170, 172.5, and 175 mm lengths FC-RED-ASSY-E1 Specifications Speeds n/a BB Compatibility All SRAM Road DUB BBs, All SRAM Road WIDE DUB BBs Chainring Size n/a Crank arm length 150mm, 155mm, 160mm, 165mm, 167.5mm, 170mm, 172.5mm, 175mm Chainline n/a BB Spindle Interface DUB Chainring material n/a Bolt Circle Diameter (BCD) Direct Mount (DM) Power meter n/a, No Power Meter Type n/a Chainring Offset n/a Bottom Bracket Technology DUB Cranksets Type Road, Road Wide Chain Technology Road Flattop E1 Drivetrain Configuration 1x, 2x Technology (FD) n/a Front Tooth Jump n/a