Shimano WH-RS81 C50 Carbon Clincher Wheelset

by PRO Bike Gear

For riders who seek an aero advantage in their wheels, the Shimano WH-RS81 C50-CL road wheelset delivers legendary Shimano quality and performance. The RS81 C50-CL feature sturdy, stiff, carbon/aluminum rims that provide the convenience of using standard brake pads. The 50mm rim height provides the means to slice through the air plus delivers strength and stiffness for sprinting. Extra wide flange hubs increase lateral rigidity and maximize power transmission while the cold forged, machined aluminum hub shells with oversized 7075 alloy axles keep the weight down.

Furthermore, the stainless steel, double butted, bladed, straight-pull spokes (16 front/21 rear) are lightweight, strong, and aerodynamic. The rear wheel sports Shimano's Opt-Bal 2:1 spoke system which utilizes 14 spokes on the drive side and 7 spokes on the non-drive side. This spoke distribution pattern, in conjunction with the wider flange aluminum hub, equates to optimal spoke tension for enhanced stiffness and strength.
  • Strong, stiff carbon/aluminum rims (carbon structure for rim with aluminum braking surface)
  • 50mm rim height for aerodynamics and stiffness
  • Stainless steel, double-butted, bladed spokes for strength and aerodynamics
  • Front wheel has 16 spokes in radial lacing pattern
  • Rear wheel has 21 spokes in 3x drive side/radial non-drive side lacing pattern
  • Rear wheel features Opt-Bal 2:1 spoke system (14 spokes drive side/7 spokes non-drive side) to provide optimal spoke tension for enhanced stiffness and strength
  • Extra wide hub flanges maximize lateral rigidity
  • Sealed cup & cone bearings for smooth performance
  • Quick release front/rear with 130mm rear axle spacing
  • Cassette body is Shimano/SRAM 8/9/10/11-speed compatible
  • Hand-assembled for precision and reliability