FEATURES: Carbon rim fully UCI tested and approved. Available for Campagnolo or Shimano. Super high impact-resistant moulding of the rim. 16 Spoke front, 24 spoke rear. Front 550g, rear 850g (tubular). Rim depth: tubular 50mm/90mm. Tubular rim is designed of full carbon fiber. HUB: Single billet CNC machined hub. Patented design flanges to allow ultra-high spoke tension. Four fully sealed EZO bearings. Worldwide patented design. The hub is designed to provide maximum power to output ratios, while maintaining the wheels stability and structure. When coupled with spokes made from Swedish Stainless Steel, you have a combination that is everything the rider needs.