Old 02-02-21, 08:33 PM
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Well, Keirin in Japan is different beast. They still strict about bike builds for use in Keirin races. Those NJS parts is for insurance for parts builders in Japan such frame builders, hubs, wheels and many other parts will get the jobs and earn the money for living. So its kinda running business domestically.

Japanese Keirin riders often have more than 2-3 bike, their second bike for use in Track/Velodrome other than Keirin races were modern Track bike like Look, Pinarello or Bridgestone newest model etc. They use those traditional steel bike frame (but with updated geometry nowadays) is not mean its the best. Its just their NJS rules (and helping the locally builders to keep running the jobs).

The modern Japanese Keirin is "GIRL" version of Keirin. They use modern bike and parts.

By the way, this not mean square taper is bad in anyway, they still extremely fine and solid performance for use in Track racing. I just pointing out Japanese Keirin why use traditional parts.
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