Shimano BB-UN300 Bottom Bracket - English 73 x 113mm Spindle Square Taper JIS Model=KTV Drive Ramped center knobs minimize rolling

Ramped center knobs minimize rolling resistance while substantially spaced outer knobs ensure footing in loose terrain

A ventilation design that directs air through the helmet helps keep you comfortable whether racing downhill or giving full effort uphill

19mm inner width

}RaceFace Lovehandle Grips - Red Lock-On

Color Black Ring Position/Type Middle Tooth Count 38 Drivetrain Speeds Single Speed 3/32" Chainring BCD 110 Material Aluminum Defined Color Black

Shimano BB-UN300 Bottom Bracket - English 73 x 113mm Spindle Square Taper JIS Model=KTV Drive Ramped center knobs minimize rollingShimano BB UN300 Bottom Bracket English 73 x 113mm Spindle Square Taper JIS. Shimano BB UN300 Square Spindle Bottom BracketsFits JIS square taper cranksets Crankarm fixing bolts sold separately Hollow spindle TECH SPECS Bottom Bracket Shell I. D. 1. 37 BB Frame Interface English BB Shell Width (mm) 73 Spindle Interface Type Square Taper JIS Spindle Length 113 Defined Color Black