SHIMANO BB-UN300-LL Square Taper BSA MTB Bottom Bracket 73mm

SHIMANO BB-UN300-LL Square Taper BSA MTB Bottom Bracket 73mm

Fits JIS square-taper cranksets
Crankarm fixing bolts sold separately
Hollow spindle
48.8mm Chainline

Frame Interface: BSA/English Threaded
Spindle Interface: Square Taper JIS
Bottom Bracket Shell ID: 1.37
Shell Width: 73mm
Spindle Lengths: 122.5mm
Color: Silver

Original Shimano parts guarantee that all components work perfectly for optimum performance and maximum safety and longevity.