Enduro Ceramic Hybrid XD-15 Bottom Bracket BSA 30mm MFPN=G00160301 6”) inside 136 x 80

6”) inside 136 x 80 x 27cm (53

Rings 46/33Number of Chainrings DoubleDrivetrain Speeds 12Chainring BCD Direct Mount SRAM 8-BoltChainline/Hub Compatibility 135/142 Road Disc Hubs < 415 mm ChainstayChainline/Hub Compatibility 135/142 Road Disc Hubs > 415 mm ChainstayColor BlackCrank Length (mm) 160Crank Intended Use RoadBB Included NoPedal Spindle 9/16"Spindle Interface Type SRAM DUBDefined Color Black

This one does the job

Intended use: hard pack loose over hard

Flywheel 1

Enduro Ceramic Hybrid XD-15 Bottom Bracket BSA 30mm MFPN=G00160301 6”) inside 136 x 80Featuring XD 15 15 degree Angular Contact cartridge bearings pressed into precision machined aluminum cups that simply thread directly into the BB shell Deep groove raceways allow use of maximum sized Grade 3 Silicon Nitride ceramic balls for increased contact area, improved performance, and longevity Manufactured to the highest standards at the Enduro Bearings production facility in California, USA Combine corrosion proof, cryogenically treated