translation.en: This is a category entirely created by consumers that would not have been created by the mainstream bike market because they couldn't see the need, the opportunity; they didn't have the incentive to innovate.
translation.zh: 这是一个完全靠消费者创造的产业， 之所以它不会被主流自行车市场创造 是因为他们不可能看到这个需求， 这个机会， 所以他们不具有创新的动机。