SRAM Red DUB 2x E1 Crankset Speed: 12 Spindle: 28.99mm BCD: Direct Mount SRAM 8 Bolt 50/37 DUB 160mm Black Road

Optimized layup drops further grams from the hollow carbon arms X-Range gearing minimizes cadence change during a front shift One-piece 2x chainring results in a lighter weight, stiffer, more durable crankset 29 g lighter than the previous generation Crisp and accurate front shifts Ultra-light hollow carbon fiber crankarms DUB bottom bracket adds durability and simplicity Can be upgraded to a power meter SRAM Model ID: FC-RED-E1 TECH SPECS BCD Direct Mount SRAM 8 Bolt BB Inclusion No Chainline 45mm Teeth 50/37 Crank Spindle Diameter 28.99mm Crank Arm Length 160mm Interface DUB Crankset Material Carbon Pedals Thread 9/16 Primary Color Black Speed 12 Drivetrain Spacing Road