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.
| Weight: | 244g |
| Activity: | Cycling |
| Material: | Steel |
| Item code: | SHI115750 |
| Model year: | 2023 |
| Axle length: | 109.5mm |
| Manufacturer: | Shimano Parts |
| Product name: | Shimano Dura Ace Track Bottom Bracket BB-7710 |
| Usage bikesport: | Road Bike |
| Manufacturer page: | http://www.shimano-europe.com/ |
| Manufacturer item code: | EBB7710B09N |
| Bottom bracket case width: | 68mm |
| Bottom bracket axle profile: | Octalink |
| Bottom bracket construction: | Cartridge Bottom Bracket |
