50mm Carbon Tubular Wheelset Rim: Monocoque Carbon Tubular Rim Hub: R2 Precise Machined Alloy Hub Spoke: Pillar 1423 J Bend Nipple: DSN Alloy Weight: 1457g/set; Front:643g/pc; Rear:814g/pc 50mm Carbon Tubular Wheelset Rim: Monocoque Carbon Tubular Rim Hub: R2 Precise Machined...