Vision Metron 3-Spoke Disc Carbon Tubular Front Wheel - 12 x 100mmVision Metron 3 Spoke Disc Carbon Tubular Front Wheel 12 x 100mm Visions re designed Metron 3 spoke carbon wheel for world class road and track applications. Full Carbon rim 55mm depth rim Tubular rim Laser etched micro dot brake surface texture Balanced layering of UD and 3K carbon fibers P. R. A. hubs with DP spokes Sealed cartridge bearings 3 Carbon bladed spokes Hand laminated rim and spoke Weight: 860g Supplied OE: hence significant cost saving