– fixed hub, MADISON CUSTON random customization process, a customization job based on a design that is carried out in an artistic and random way. These components are made from 71-millimeter round bars made of 6061 aluminum profile. The hub shells undergo four different machining processes before they are finished. As a result of our fixie track hubs, a double bright polished machining. With bearings with shielded and sealed ball bearings in 6000ZZ, which provides lightness and smoothness when turning. .Front: flange diameter 70 mm opening between tips 100mm. Rear flange diameter 70 mm, opening between chainstays 120mm, freewheel threading diameter 35mm x24 TPI, fixed gear threading diameter 35mm - in inches 1.375 x 24 TPI. Chain line. Locking thread: left ISO 33mm (1.299” inches) x 28 tpi. Pinion thread diameter 14 or 15 free teeth 30 millimeters x 26 TPI

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