It was originally used to size down 520 size to 415. Purchase the front and rear sprockets from the Puwa Kurato. Durability has also been verified and considerable weight saving was achieved. I do not expect durability because it is for the race track so I will order again.
I used it in a mini bike race, but I also used the 415 size chain of other manufacturers, but as soon as I used the other manufacturer chain, it got elongated and I did not want to use, but regarding the DID chain I did not feel pace.
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