Dura Ace bottom bracket with matching axle length for 2-speed chainrings. Available for BSA thread or Italian thread. Octalink axle profile!
Octalink Oversize bottom bracket axle
The large, hollow-rolled 22mm axle of the bottom bracket saves weight. The multi-tooth mount provides a tighter and more durable fit. Less axle bending due to composite bearing with balls and needles. Aluminum bottom bracket adapter
Suitable crankset e.g. Shimano Dura Ace 2x9 FC-7701.
Weight: | 173g |
Activity: | Cycling |
Item code: | SHI100120 |
Model year: | 2023 |
Axle length: | 109.5mm |
Manufacturer: | Shimano Parts |
Product name: | Shimano Dura Ace BB-7700 Bottom Bracket |
Usage bikesport: | Road Bike |
Manufacturer page: | http://www.shimano-europe.com/ |
Manufacturer item code: | BB-7700 |
Bottom bracket case width: | 68mm, 70mm |
Bottom bracket axle profile: | Octalink |
Bottom bracket construction: | Cartridge Bottom Bracket |