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Review: Onyx Racing Ultra Cassette Hub

For the better part of the last year I’ve been riding a cassette hub from Onyx Racing, a Minnesota based manufacturer that’s relatively new on the scene. The story of how Onyx Racing came to be is very reminiscent of how so many companies started off back in the early days of BMX. Dad’s son gets into racing, dad wants him to have the absolute best possible bike, dad decides that he can make something better than what’s out there. In this case that dad was Jim Gerhardt, and his son’s hubs that he set out to improve would eventually…

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