Shimano BB-UN300
$21.99
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 |
|---|---|---|---|
| Silver / 115mm / English / Square Taper / 68mm | 192790619187 | EBBUN300B15B | |
| Silver / 117.5mm / English / Square Taper / 68mm | 192790619224 | EBBUN300B17X | SHI64509126S |
| Silver / 118mm / English / Square Taper / 68mm | 192790619231 | EBBUN300B18X | SHI63289357S |
| Silver / 122.5mm / English / Square Taper / 73mm | 192790622194 | EBBUN300C23X | |
| Silver / 127.5mm / English / Square Taper / 68mm | 192790619316 | EBBUN300B27B | BBS31196814R |
| Silver / 122.5mm / English/BB-UN300 D-NL / Square Taper / 68mm | 192790619156 | EBBUN300B22X | SHI78772783E |