SHIMANO NEXUS Cartridge Bottom Bracket

BB-UN26-K

ALIVIO_M4000_m

BB-UN26-K

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

  • 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
   
Axle Length / Shell Width MM110_68 mm (BC1.37), YL117_68 mm (BC1.37) (chainline: 47.5), 117.5_68 mm (BC1.37), D-NL 122_68 mm (BC1.37), LL123_68 mm (BC1.37) (t=1.8)
Spindle_Square type
Spindle Type Square type
Structure For chain case

SERIES LINE-UP

  • Bottom Bracket Press-Fit Type Bottom Bracket
  • Shifting Lever SHIMANO ALIVIO Left Shift Lever 2x9-speed
  • Rear Derailleur SHIMANO ALIVIO Rear Derailleur 9-speed
  • Shifting/Brake Lever RAPIDFIRE PLUS Shift/Brake Lever Set (3x9-speed)