Cartridge Bottom Bracket

BB-UN100-K

BB-UN100-K

Cartridge Bottom Bracket

  • FEATURE
    • Precision indexed SIS shifting
    • Clean edges and contoured crank arm design
    • Precise chain line control
    • 4 color combinations available
    • 8/7/6-speed compatible
    • Attractive crank arm fixing bolt
    • Chain guard separated
    BENEFIT
    • Smooth, light and reliable shifting performance
    • Quick and precise assembly
    • Gear combination: 42-34-24T, 48-38-28T
    • Design options to match a wide range of frames
    • Versatile performance and wide compatibility
    • Dedicated MTB exterior for a more sporty appearance

PRODUCT SPECIFICATIONS

MODEL NO BB-UN100-K
SERIES SHIMANO
Remarks * w/ crank arm fixing bolts spec available ** w/ 0.7 mm spacer
Structure_For chain case X
Axle length / shell width_D-NL (122.5mm)_68mm_(BC1.37) X*
Axle length / shell width_LL123_68mm_(BC1.37) X**
Axle Length / Shell Width D-NL 122_68mm_ (BC1.37), LL123_68mm_ (BC1.37)
Spindle_Square type X
Spindle Type Square
Structure For chain case