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gravitas sl
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  1. Components, Wrenching
    I first became aware of Zero Gravity brakes in 2004 when Iban Mayo used them at the Tour de France on the way to finishing in third place. In 2005, Francis Cebedo, the founder off Mtbr.com & RoadBikeReview.com, got his hands on a set of the original OG-05 Ti calipers and wrote this review...
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