NEW Shimano BB-UN300 Bottom Bracket - English, 68 x 122.5mm Spindle, Square Tape frontder_2x Tightly spaced center knobs minimize

Tightly spaced center knobs minimize rolling resistance

Twice the rubber makes for a smoother ride through the natural absorption qualities of the material

Fork Length - Axle to Crown 376 376 376 376 376 376 D

and accurate inflation

Cartridge Size: 38

NEW Shimano BB-UN300 Bottom Bracket - English, 68 x 122.5mm Spindle, Square Tape frontder_2x Tightly spaced center knobs minimizeShimano BB UN300 Square Spindle Bottom Brackets Fits JIS square taper cranksets Crankarm fixing bolts sold separately Hollow spindle Defined Color: Black Bottom Bracket Shell I. D.: 1. 37 Spindle Length: 122. 5 Spindle Interface Type: Square Taper JIS BB Shell Width (mm): 68 BB Frame Interface: English