The quality and performance-oriented Shimano BB-UN300 cartridge bearing bottom bracket features a JIS square taper mount and is designed for frames with BSA thread and 73 mm shell width. A stabilizer ensures a constant chain line.
axle: steel
| Activity: | Cycling |
| Material: | Aluminium, Steel |
| Item code: | SHI482185 |
| Model year: | 2023 |
| Manufacturer: | Shimano Parts |
| Product name: | Shimano BB-UN300 Bottom Bracket - BSA 73mm - JIS Square Taper |
| Usage bikesport: | Trekking, MTB, City |
| Manufacturer page: | http://www.shimano-europe.com/ |
| Bottom bracket type: | BSA |
| Manufacturer item code: | EBBUN300C13X / EBBUN300C18X / EBBUN300C22B / EBBUN300C23X |
| Bottom bracket case width: | 73mm |
| Bottom bracket axle profile: | Square |
| Bottom bracket construction: | Cartridge Bottom Bracket |
