Square Type Bottom Bracket

BB-UN300-K NEW

ALTUS_M2000_m

BB-UN300-K NEW

SHIMANO - Square Type Bottom Bracket - MTB - Chain Case 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-K
SERIES SHIMANO ALTUS M2000 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
  • Front Derailleur SHIMANO ALIVIO SIDE SWING Front Derailleur (Clamp Band) 2x9-speed
  • Front Derailleur SHIMANO ALIVIO SIDE SWING Front Derailleur (Clamp Band) 2x9-speed