Shimano BB-7700 Dura Ace Cartridge Bottom Bracket Set NJS (Octalink Type)
Shimano
The Shimano Dura Ace BB-7700 bottom bracket has proven its worth over decades.
Specifications:
Application: Track
Series: Dura Ace Track 7700
Type: BSA
Shell Width: 68 mm,
Axle Length: 109.5 mm
Axle Type: Octalink (NJS Type)
Technical Information:
Bearings: Steel
Axle Material: Steel
Bottom Bracket Cup Material: Aluminium
