Square Type Bottom Bracket

BB-UN300-E

TOURNEY_A070_m

BB-UN300-E

SHIMANO - Square Type Bottom Bracket - MTB - E-type 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-E
SERIES SHIMANO TOURNEY A070 Series
Structure_E-type
Axle length/shell width (mm)_LL123_68 (BC1.37)
   
Spindle_Square type

SERIES LINE-UP

  • Bottom Bracket Square Type Bottom Bracket
  • Bottom Bracket Square Type Bottom Bracket
  • Bottom Bracket SHIMANO Cartridge Bottom Bracket
  • Crankset SHIMANO TOURNEY Road Crankset 3x8/7-speed