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I am so glad that this subject is being brought to light. I am one of those it has a son that races and he races his heart out on a bike that can't compete with a factory bike. We trained four to five days a week and he has the capability to ride at a competitive level but even so to see a bike just blow by him like he was sitting still down the straightaway is so unfair. Even when we try to get support or have an engine built the bike still can't compete against the factory...