Hatta R9400 NJS bottom bracket
Hatta Japan's parts lineup focuses purely on headset and bottom bracket parts for Keirin pro riders.
The R9400 is Hatta's square taper NJS Keirin approved offering and is suitable to use with NJS cranks such as the Sugino 75, Sugino Grand Mighty, Suntour Superbe Pro and Shimano Dura Ace FC-7600 square taper models.
• NJS approved
• 68mm English threaded (1.370" x 24 tpi)
• ISO square taper
• spindle length: 109mm
• mirror-finish polished bearing races
• includes spindle, races, cups, lockring, bearings, crank arm bolts and accordion dust shield
• weight: 314g