The TR01 is the first hub set released by Tactic, guided by their mantra, The Best or Nothing.64g front, 151g rear for a set weight of 215g, TR01 is an ultra-light, race proven hub set targeted at the most discerning of riders. The ConicalFace free hub mechanism has the largest engagement surface area available, and inherently self-centres based on the concentric nature of the cones. Fast engagement comes from 45 teeth on the freehub. Ideal for road, racing, and gravel, TR01 has no rider weight limit.Precision machined, hard coat anodized, and hand assembled in Germany.ABEC 7 ceramic bearings with Tungsten Disulfide low friction coating.