Shimano BB-UN300
$19.99
Details
- Simple and reliable square taper bottom bracket
- Replaces both BB-UN26 and BB-UN55
- Sealed cartridge bearings
- Cr-Mo axle
- For bicycles equipped with a chain case, select BB-UN300-K
- For E-type front derailleur compatibility, choose BB-UN300-E
- Fixing bolts not included; Shimano FC-E6000 bolts suggested
Part Numbers
| Option | UPC | MPN | Store SKU |
|---|---|---|---|
| 113mm / Square Taper / 73mm | 192790619217 | EBBUN300C13X | EBBUN300C13X |
| 118mm / Square Taper / 73mm | 192790619248 | EBBUN300C18X | |
| 127.5mm / Square Taper / 68mm | 192790619170 | EBBUN300KB27X |
Reviews
Shimano BB-UN300
$19.99