NEW Shimano BB-UN300 Square Spindle Bottom Bracket, 68X110mm, Square Taper, Cart type_shoe-covers durable composite rubber clamping pads

durable composite rubber clamping pads will not mare the bike's finish

A ton of receiving comes with every drop of giving we put into our rides—whether riding across the city for a meeting or in the middle of a lonely century

Lightweight aluminum caliper design with tough anodized finish

Material: Plastic

rim:Sta-Tru XC21 disc

NEW Shimano BB-UN300 Square Spindle Bottom Bracket, 68X110mm, Square Taper, Cart type_shoe-covers durable composite rubber clamping padsShimano 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