Wheels Manufacturing BB30 to Shimano Bottom Bracket Angular Contact Bearings BLK Cups MFPN=11.6218.041.003 }SRAM XX1 Eagle Carbon Boost

}SRAM XX1 Eagle Carbon Boost Crankset - 170mm 12-Speed 34t Direct Mount DUB Spindle Interface Black

Enduro Angular Contact bearings - easily serviced or replaced

Forged alloy spider holds largest cogs

Same link geometry as XX1 Eagle with solid pins and a more modest finish treatment

Cold forged Aluminum ring

Wheels Manufacturing BB30 to Shimano Bottom Bracket Angular Contact Bearings BLK Cups MFPN=11.6218.041.003 }SRAM XX1 Eagle Carbon BoostWheels Manufacturing BB30 to Shimano Bottom Bracket with Angular Contact 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