BB-UN300 BOTTOM BRACKET

BB-UN300
SHIMANO – Square Type Bottom Bracket – MTB – Standard Structure

Square Type Bottom Bracket

SHIMANO quality/performance cartridge bearing square bottom bracket
Better chainline stability with chain line stabilizer
3 structures available
Standard, E-type, chain case options
Adapter material: Aluminum

Features:

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

Specifications:

Frame Interface: BSA/English Threaded
Spindle Interface: Square Taper JIS
Bottom Bracket Shell ID: 1.37
Shell Width: 68mm
Spindle Lengths: 107mm, 110mm, 113mm, 115mm, 117.5mm, 118mm, 122.5mm
Color: Silver
Weight: TBD