Shimano UN300-K 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