Cartridge Bottom Bracket

ALIVIO_M4000_m

BB-UN26-K

ALIVIO_M4000_m

BB-UN26-K

Cartridge Bottom Bracket

  • BENEFIT
    • Refined appearance
    • The shape and surface treatment offer an attractive design
    • Chainring: 33T, 38T (steel)
    • Color options: Black, Silver

PRODUCT SPECIFICATIONS

MODEL NO BB-UN26-K
SERIES SHIMANO ALIVIO M4000 Series
Remarks * w/ Fixing Bolts
Structure_For chain case X
Axle length / shell width_YL117_68mm_(BC1.37) X* (CL:47.5)
Axle length / shell width_117.5_68mm_(BC1.37) X
Axle length / shell width_D-NL (122.5mm)_68mm_(BC1.37) X*
Axle length / shell width_LL123_68mm_(BC1.37) X (t=1.8)
Axle length / shell width_MM110_68mm_(BC1.37) X
Spindle_Square type X

SERIES LINE-UP

  • Shift/Brake Lever RAPIDFIRE PLUS Shift/Hydraulic Disc Brake Lever Set (3x9-speed)
  • Shift/Brake Lever RAPIDFIRE PLUS Shift/Hydraulic Disc Brake Lever Set (3x9-speed)
  • Front Derailleur Down Swing Front Derailleur (3x9-speed)
  • Front Derailleur Down Swing Front Derailleur (3x9-speed)