Shimano UN300 Square Taper Bottom Bracket

SHIMANO - Square Type Bottom Bracket - MTB - Standard Structure

• SHIMANO quality/performance cartridge bearing square bottom bracket
• Better chainline stability with chain line stabilizer
• Series: Shimano Tourney TX800 Series
• Fits JIS square-taper cranksets
• Hollow spindle
• Crankarm fixing bolts sold separately
• Adapter material: Aluminum