The vision metron 3 spoke carbon tubular front wheel features a 605 mm deep section tubular rim profile creating immense aerodynamic properties for insane straight line speeds weight is kept to a minimum with the balanced hand layering of ud and 3k carbon fibres on both the rim and the 3 spokes the vision metron 3 spoke carbon tubular front wheel is equipped with a pra hub that contains 6 sealed chromoly steel cartridge bearings to produce smooth quick rollin