SHIMANO BOTTOM BRACKET BB-UN-300B

Shimano BB-UN300 Square Spindle 68mm Bottom Brackets

• Crankarm fixing bolts sold separately
• Hollow spindle

Specifications:

Frame Interface: BSA/English Threaded
Spindle Interface: Square Taper JIS
Bottom Bracket Shell ID: 1.37
Shell Width: 68mm
Spindle Lengths: 122.5mm
Color: Silver
Weight: TBD