Shimano BB-UN300 Bottom Bracket - English, 73 x 123mm Spindle, Square Taper JIS
- Fits JIS square-taper cranksets
- Crankarm fixing bolts sold separately
- Hollow spindle
Product Specifics
- BB Shell Width (mm): 73
- BB/Frame Interface: English
- Bottom Bracket Shell I.D.: 1.37
- Defined Color: Black
- Spindle Interface Type: Square Taper JIS
- Spindle Length: 123
Today's Stock Status
10+ Available to ship in 2-4 Business Days
UPC: 192790622194
EAN: Not available
Manufacturer Part Number: EBBUN300C23X
CR3492
154803-Q0-L