Wheels Manufacturing BB30 to Shimano Bottom Bracket ABEC-3 Bearings BLK Cups CheckoutSpec= Use with 50T The XX1 Eagle crankset features

The XX1 Eagle crankset features a special hollow internal architecture combined with SRAM's Carbon Tuned technology to provide extreme stiffness and light weight

Rear Derailleur Mount Type 10x1 Standard Rear Der/Shifter Compatibility SRAM Exact Actuation Cage Length Long Drivetrain Speeds 10 Weight 302 Color Black Chain Wrap Capacity (teeth) 47 Largest Cog 36

Chainrings are compatible with SRAM 11 speed chains and YAW front derailleurs

BB Shell Width (mm) 68 BB Shell Width (mm) 73 BB Shell Width (mm) 83 BB/Frame Interface PF30 BB/Frame Interface BB30 Spindle Interface Type TruVativ GXP

Wheels Manufacturing BB30 to Shimano Bottom Bracket ABEC-3 Bearings BLK Cups CheckoutSpec= Use with 50T The XX1 Eagle crankset featuresWheels Manufacturing BB30 to Shimano Bottom Bracket with ABEC 3 Bearings Black Cups. Machined aluminum shell threads together for precise bearing alignment and frame fit reducing bottom bracket creaking and premature bearing wear. Replaceable Enduro bearings Made in the USA TECH SPECS Defined Color Black Bottom Bracket Shell I. D. 42 Spindle Interface Type Shimano Hollowtech II Spindle Interface Type FSA MegaExo Spindle Interface Type FSA MegaExo