Dura Ace bottom bracket for FC-7710 track cranks. Octalink axle profile with 109,5mm axle length. The big, hollow rolled 22mm-axle of the bottom bracket reduces weight. The Octalink axle profile offers a firm fit. Reduced axle flexure ensured by needle and ball bearings.
| Product Name: | Shimano Dura Ace Track Bottom Bracket BB-7710 |
| Manufacturer: | Shimano Parts |
| Item Code: | SHI115750 |
| activity: | Cycling |
| material: | Steel |
| usage bikesport: | Road Bike |
| bottom bracket type: | BSA |
| bottom bracket axle profile: | Octalink |
| bottom bracket case width: | 68mm |
| axle length: | 109.5mm |
| bottom bracket construction: | Cartridge Bottom Bracket |
| Model year: | 2025 |
| Collection: | Full year |
| weight: | 244g |
| manufacturer item code: | EBB7710B09N |
| Product Series: | Shimano - Dura Ace |
| Manufacturer page: | http://www.shimano-europe.com/ |
