SRAM RED Crankset - 165mm 2x 12-Speed 50/37t 8-Bolt Direct Mount DUB Spindle Interface Natural Carbon E1 MFPN=00.4021.129.004 Secondary air spring works in

Secondary air spring works in conjuction with coil spring to control shock progression

Heavy-gauge steel construction is stout stable and incredibly durable

99mm Interface DUB Primary Color Black Drivetrain Spacing Road Chainline 45mm Connectivity ANT+ BT LE Teeth 50/37 BB Inclusion No BCD Direct Mount SRAM 8 Bolt Pedals Thread 9/16 Speed 12

Includes a nylon carrying case

5-55mm B1+

SRAM RED Crankset - 165mm 2x 12-Speed 50/37t 8-Bolt Direct Mount DUB Spindle Interface Natural Carbon E1 MFPN=00.4021.129.004 Secondary air spring works inOptimized 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 Speed 12 BB