SRAM Force E1 DUB Cranks Faster, sleeker, better than ever. A key element of the all-new SRAM Force E1 group, these Force E1 Cranks bring advanced performance and modern aesthetics to every ride. Designed with top-level carbon fiber technology to match the speed, efficiency, and clean look of today's fastest bikes, Force E1 incorporates SRAM's latest crankarm shaping with a stiffer, lighter construction for optimal power output. These cranks are compatible with SRAM's direct mount Force chainring systems for crisp, high-performance shifting, while the reliable DUB bottom bracket platform ensures easy compatibility and long-term durability. From high-output crit races, to all-day epic road rides, the Force E1 Cranks deliver pro-level performance for all types of rides. Features8-boltinterfaceis compatible with power and non-power AXS spiders and chainrings Advanced carbon crank arm design uses top-level carbon fiber design to achieve an ultra lightweight, stiff, and efficient pedaling platform Standard width Q-factor for a narrower width to accommodate a proper fit DUB bottom bracket standard simplifies compatibility and improves long-term reliability Multiple chainring options (sold separately) to suit all types of riders Power-ready design can be upgraded with a SRAM power meter (sold separately)SPECIFICATIONSBottom Bracket Spindle Interface SRAM DUB(TM) road Chainring Type Direct-Mount (sold separately)Crank Arm Material Carbon Fiber Weight N/AChainline44. 7mm | Sram | Force E1 Dub Cranks 175Mm (Bb/chainrings Not Included) | Aluminum