Hatta R9400 NJS bottom bracket
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Hatta Japan's parts lineup focuses purely on headset and bottom bracket parts for Keirin pro riders.
109mm ISO square taper spindle is compatible with Sugino 75, Sugino Grand Mighty, Suntour Superbe Pro and Dura Ace 7600 crank arms.
• 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