Wheels Manufacturing BBright Direct Fit to Shimano Bottom Bracket ABEC-3 Bearings MFPN=804-0246-A An open mesh upper lets

An open mesh upper lets feet breathe

Rings have built-in threads for easy of mounting and reduction in weight

Color Black Ring Position/Type Single Tooth Count 42 Drivetrain Speeds 9 Drivetrain Speeds 10 Drivetrain Speeds 11 Drivetrain Speeds 12 Chainring BCD 110 Shimano Asymmetric Material Aluminum Defined Color Black

Hollow chromoly spindle

}RockShox SID A1-A3 Reba A2-A3/Bluto A1 Foam Ring 32mm x 5mm 20 pack

Wheels Manufacturing BBright Direct Fit to Shimano Bottom Bracket ABEC-3 Bearings MFPN=804-0246-A An open mesh upper letsWheels Manufacturing BBright Direct Fit to Shimano Bottom Bracket with ABEC 3 Bearings. BBright Thread Together Bottom BracketReplaceable Enduro bearings Made in the USA TECH SPECS Bottom Bracket Shell I. D. 46 BB Frame Interface BBright Press Fit BB Shell Width (mm) 79 Weight 146 Spindle Interface Type Shimano Hollowtech II Spindle Interface Type FSA MegaExo Spindle Interface Type FSA MegaExo Light Spindle Interface Type RaceFace EXI Defined Color