SHIMANO NEXUS Cartridge Bottom Bracket

BB-UN26-K

ALIVIO_M4000_m

BB-UN26-K

SHIMANO NEXUS - Cartridge Bottom Bracket - For Chain Case

The SHIMANO UN26 bottom bracket offers smooth rotation for square taper cranks.

  • 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
   
Axle length/shell width (mm)_YL117_68 (BC1.37) X* (chainline: 47.5)
Axle length/shell width (mm)_117.5_68 (BC1.37)
Axle length/shell width (mm)_D-NL 122_68 (BC1.37) X*
Axle length/shell width (mm)_LL123_68 (BC1.37) X (t=1.8)
Axle length/shell width (mm)_MM110_68 (BC1.37)
Spindle_Square type

SERIES LINE-UP

  • Crankset SHIMANO ALIVIO MTB Crankset 3x9-speed
  • Shifting Lever SHIMANO ALIVIO Left Shift Lever 2x9-speed
  • Crankset SHIMANO ALIVIO MTB Crankset 2x9-speed
  • Front Derailleur SHIMANO ALIVIO Down Swing Front Derailleur (Clamp Band Mount) 3x9-speed