Shimano UN300 Square Taper English Bottom Bracket (Silver) (BSA) (73mm) (113mm)

Shimano UN300 Square Taper English Bottom Bracket Description:

Shimano BB-UN300 Square Spindle 73mm Bottom Brackets make for a lasting replacement for square-tapered cranksets on English threaded bicycle frames.

Features:

• Fits JIS square-taper cranksets
• Includes crankarm fixing bolts
• Hollow spindle

Specifications:

• Frame Interface: BSA/English Threaded
• Spindle Interface: Square Taper JIS
• Bottom Bracket Shell ID: 1.37
• Shell Width: 73mm
• Spindle Lengths: 113mm, 118mm, 122.5mm
• Color: Silver
• Weight: TBD