SRAM RED Crankset - 170mm 2x 12-Speed 50/37t 8-Bolt Direct Mount DUB Spindle Interface Natural Carbon E1 CheckoutSpec= Air U-Turn incredibly light hollow-core carbon fiber

incredibly light hollow-core carbon fiber design

75mm Primary Color Grey

99mm Interface DUB Pedals Thread 9/16 Primary Color Black

}RaceFace Narrow Wide Chainring: Direct Mount CINCH 28t Blue

Monitors underwater estimated wrist-based heart rate during swim activities

SRAM RED Crankset - 170mm 2x 12-Speed 50/37t 8-Bolt Direct Mount DUB Spindle Interface Natural Carbon E1 CheckoutSpec= Air U-Turn incredibly light hollow-core carbon fiberWhen SRAM found ways to make their lightest and stiffest crank even lighter they went for it. A new optimized layup drops 29g from the hollow carbon arms. The X Range gearing technology minimizes cadence changes during front shifts maximizing your ability to put power down. Plus they're offering more crankarm lengths than ever before to ensure this crank works for you. One piece 2x chainring results in a lighter weight stiffer more durable crankset