The SRAM Rival 22 Crankset delivers immense performance across a broad variety of bikes and disciplines. Paved or not. Cyclocross or triathlon. Road racing or unchartered journeys. Rival 22 provides the tools and technology to meet each challenge and expand your limits. Features: SRAM Road 11-speed Yaw™ compatible Aluminum arms and machined spider for strength and improved stiffness Alloy X-GlideR™ chainrings with advanced shift timing pins and ramps, which are optimized for shifting with the Yaw™ front derailleur Product Specifications: Speeds 11 BB Compatibility BB30/PF30-68mm, GXP/PF GXP 68mm Chainring Size 50/34T, 52/36T Crank arm length 170mm, 172.5mm, 175mm Chainline 45.0mm BB Spindle Interface 30mm, GXP Chainring material Aluminum/Aluminum Bolt Circle Diameter (BCD) 110 BCD Power meter No Power Meter Type n/a Chainring Offset n/a Bottom Bracket Technology 30mm, GXP Cranksets Type Road Chain Technology 11 Speed Powerchain Drivetrain Configuration 2x Technology (FD) Road-Yaw Front Tooth Jump 16 Weight Based On wout/BB Vendor Item No: 00.6118.249.006 (Teeth 36/52T, Crank Arm Length 170mm) 00.6118.249.007 (Teeth 36/52T, Crank Arm Length 172.5mm) 00.6118.249.008 (Teeth 36/52T, Crank Arm Length 175mm) 00.6118.249.003 (Teeth 34/50T, Crank Arm Length 170mm) 00.6118.249.004 (Teeth 34/50T, Crank Arm Length 172.5mm) 00.6118.249.005 (Teeth 34/50T, Crank Arm Length 175mm)