Shimano rs81 c24 carbon road front wheelhigh performance road racing wheel meets the demands of todays professional and amateur riders features 21mm deep carbon and alloy clincher rim is both light weight and rigid whilst maintaining high braking performance with standard brake pads 16 front stainless steel butted and bladed straight pull spokes high lateral rigidity is improved with a wide flange spacing labyrinth double contact sealing low friction seals effectively shut out water mud and