SHIMANO – Square Type Bottom Bracket – MTB – Standard Structure
Square Type Bottom Bracket
FEATURES
EBBUN300B10X
-28%
Standard Bottom Bracket – 68MM / 110MM w/o Bolt (BB-UN300)
$8.61 Save:$3.00(28%)
Description
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
