Shimano UN300 Square Taper English Bottom Bracket

Shimano BB-UN300 Square Spindle 68mm Bottom Brackets

Features:

• Fits JIS square-taper cranksets
• 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