Shimano UN55 70x113mm Square Taper Italian Bottom Bracket

Shimano BB-UN55 Square Spindle Bottom Brackets

• Fits JIS Square-Taper Cranksets
• Hollow spindle
• Crankarm fixing bolts not included

• Spindle Interface Type: Square Taper JIS
• BB Shell Width (mm): 70
• Bottom Bracket Shell I.D.: 36
• Spindle Length: 113
• BB/Frame Interface: Italian
• Defined Color: Silver