BB-UN300 BOTTOM BRACKET - ENGLISH, 73 X 113MM SPINDLE, SQUARE TAPER JIS

Shimano BB-UN300 Square Spindle Bottom Brackets
* Fits JIS square-taper cranksets
* Crankarm fixing bolts sold separately
* Hollow spindle
* Spindle Interface Type: Square Taper JIS
* BB Shell Width (mm): 73
* Bottom Bracket Shell I.D.: 1.37
* Spindle Length: 113
* BB/Frame Interface: English
* Defined Color: Black