SHIMANO UN55 BB Square Taper Bottom Bracket (68x110mm)
| Country | USA |
| Brand | SHIMANO |
| Manufacturer | Shimano |
| Binding | Apparel |
| ItemPartNumber | EFCA070C04X |
| Model | 153316 |
| Warranty | Limited Warranty |
| Color | Black |
| ReleaseDate | 2012-11-16 |
| Size | 50-34T/170mm |
| UnitCount | 1 |
| UPCs | 787766432787 |
| EANs | 0787766432787 |