Square Type Bottom Bracket

BB-UN300 NEW

ACERA_M3000_m

BB-UN300 NEW

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

PRODUCT SPECIFICATIONS

MODEL NO BB-UN300
SERIES SHIMANO ACERA M3000 Series

SERIES LINE-UP

  • Front Derailleur SHIMANO ALIVIO SIDE SWING Front Derailleur (E-type Mount) 2x9-speed
  • Front Derailleur SHIMANO ALIVIO SIDE SWING Front Derailleur (Direct Mount) 2x9-speed
  • Shifting Lever SHIMANO ALIVIO RAPIDFIRE PLUS Shifting Lever 9-speed
  • Shifting Lever SHIMANO ALIVIO RAPIDFIRE PLUS Shifting Lever 3x9-speed