SHIMANO TOURNEY TY - Cartridge Bottom Bracket - MTB - For Chain Case
For square taper cranks, the SHIMANO UN100 bottom bracket offers superior quality and reliability at a great value.
FEATURES
- Smooth, light and reliable shifting performance
- Precision indexed SIS shifting
- DUAL SIS
- Design options to match a wide range of frames
- 4 color combinations available
- Versatile performance and wide compatibility
- 8/7/6-speed compatible
- Attractive crank arm fixing bolt
- Chain guard separated
- Dedicated MTB exterior for a more sporty appearance
- Clean edges and contoured crank arm design
- 3 crank length specification available
- Quick and precise assembly
- Precise chain line control
- Gear combination: 42-34-24T, 48-38-28T
PRODUCT SPECIFICATIONS
| MODEL NO | BB-UN100-K |
|---|---|
| SERIES | SHIMANO |
| Remarks | * w/ Crank arm fixing bolts spec. available. ** w/ 0.7 mm spacer |
| Structure|Standard | ✔ |
| Structure|For chain case | ✔ |
|---|---|
| Spindle|Square type | ✔ |
| Axle length/shell width (mm)|D-NL 122|68 (BC1.37) | X* |
| Axle length/shell width (mm)|LL123|68 (BC1.37) | X** |
| Axle length/shell width (mm)|LL123|73 (BC1.37) | ✔ |