Shimano BB-UN300 Bottom Bracket – English, 68 x 110mm Spindle, Square Taper JIS
Shimano BB-UN300 Square Spindle Bottom Brackets
Fits JIS square-taper cranksets
Crankarm fixing bolts sold separately
Hollow spindle
Model: BB-UN300 Bottom Bracket
Brand: Shimano
Spindle Interface Type: Square Taper JIS
BB Shell Width (mm): 68
Bottom Bracket Shell I.D.: 1.37
Spindle Length: 110
Defined Color: Black
BB/Frame Interface: English
Manufacturer Part Number: EBBUN300B10X
UPC: 192790619200