Hatta R9400 Track Bottom Bracket Set (NJS)

Hatta is one of the most respected parts manufacturers in Japan.
Their bike parts lineup focuses purely on headset and bottom bracket parts for track racing.
The R9400 is Hatta's square taper NJS Keirin approved offering,and is suitable to use with various NJS cranks including:
Sugino 75, Grand Mighty, Suntour Superbe Pro and Shimano Dura Ace square taper models.
It can also be used with many Campagnolo Pista cranksets.
Since Shimano stopped making bottom brackets suitable for use with their square taper track cranks, Hatta R9400 is now the officially recommended BB set to match the Shimano Dura Ace FC-7600 crankset.
-The bearing races are mirror polished as standard.
-Crank bolts, washers, dust shield are included.
-109mm, English BSC thread, and ISO taper.
-NJS approved.
-The HATTA R9400 is used by 65% of Keirin pro riders, and the Hatta Swan NJS headset is used by 95% of Keirin pro riders.