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_YL117_68mm_(BC1.37) | X* (chainline: 47.5) |
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Axle length / shell width_117.5_68mm_(BC1.37) | ✔ |
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) | ✔ |
Spindle_Square type | ✔ |