NEW Shimano BB-UN300 Square Spindle Bottom Bracket, 68X110mm, Square Taper, Cart availability_special-order Its progressive trail geometry is

Its progressive trail geometry is stable on descents and technical sections

BB Drop 72 72 72 72 72 B

Constructed using softened rubber to eliminate potential frame damage

Reinforced skid plate reduces friction with the ground in a sliding fall

NEW Shimano BB-UN300 Square Spindle Bottom Bracket, 68X110mm, Square Taper, Cart availability_special-order Its progressive trail geometry isShimano 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: 110 Spindle Interface Type: Square Taper JIS BB Shell Width (mm): 68 BB Frame Interface: English