SHIMANO - Square Type Bottom Bracket - MTB - Chain Case Structure
Square Type Bottom Bracket
- SHIMANO quality/performance cartridge bearing square bottom bracket
- Better chainline stability with chain line stabilizer
- 3 structures available
- Standard, E-type, chain case options
- Adapter material: Aluminum
PRODUCT SPECIFICATIONS
| MODEL NO | BB-UN300-K |
|---|---|
| SERIES | NEXUS INTER-3 |
| Remarks | * w/ Crank arm fixing bolts spec. only. ** w/ Crank arm fixing bolts spec. is available. *** w/ 0.7 mm spacer |
| Structure_For chain case | ✔ |
| 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_D-EL (127.5mm)_68mm_(BC1.37) | ✔ |
| Axle length / shell width_LL123_68mm_(BC1.37) | X *** |
| Axle length / shell width_MM110_68mm_(BC1.37) | ✔ |
| Spindle_Square type | ✔ |
SERIES LINE-UP
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Bottom Bracket Square Type Bottom Bracket
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Bottom Bracket Square Type Bottom Bracket
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Shifting Lever SHIMANO NEXUS RAPIDFIRE PLUS Shifting Lever (3-speed)
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Hub SHIMANO TOURNEY Front Hub for Roller Brake
