Shimano Dura Ace R9100 C40, Tubular, Rim Wheelset

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Shimano Dura Ace R9100 C40 Tubular Wheelset


Carbon rim for tubular - Aerodynamics performance and improved drive rigidity.

Most advanced component group of all time: The Shimano Dura Ace WH-R9100-C40-TU Wheelset

Two forces combine to slow down riders: air drag and inertia. DURA-ACE R9100 wheels are designed to combat these forces through aerodynamic features and reduced rolling resistance. Two new 28mm wide C60 and C40 rim platforms bring a stiffer wheel to enhance forward and side-to-side (lateral) power transfer and, with ultra-light carbon rim heights of 60mm and 40mm, are also designed to reduce air resistance. This allows Dura Ace R9100 C60 wheels, in a real world scenario, to save 16W over Shimano’s current DURA-ACE 9000 C50 wheelset. C24 wheels complete the DURA-ACE lineup giving riders three rim heights to choose from (60mm, 40mm and 24mm). Selected wheels are available as clincher, tubular or tubeless versions with Shimano quick release hubs and the option of road E-thru axles (12mm).

Engineered for the next generation of race bike, DURA-ACE R9100 offers top-tier performance across numerous configurations. Available with either Di2 electronic or mechanical shifting, for the first time, riders now have the option of premium DURA-ACE hydraulic disc brake performance. New Shimano technologies further integrate the DURA-ACE as a system, including a new power meter, while riders further integrate with their bike through new E-Tube wireless connectivity. Shimano’s Rider Tuned philosophy and customization of the bicycle’s function also expands with a wider range drivetrain that now includes intuitive Shimano Synchro Shift control.
  • Responsive acceleration
  • Improved drive rigidity
  • OPTBAL spoke system
  • Lightweight within rigid
  • Ultra-light full carbon rim
  • Efficient drive train
  • Best all-round wheelset
  • Balanced low inertia & aerodynamics
  • Wide section rim


  • Wide flange hub and offset rim
  • Lightweight titanium freehub body
  • Efficient drive train, easy maintenance
  • Balanced low inertia and aerodynamics
  • Responsive acceleration and improved drive rigidity
  • Labyrinth double-contact sealing effectively shuts out water and dirt
  • Wide section rim improves drive rigidity and aerodynamic performance
  • Stainless steel butted and bladed straight pull spokes for optimal balance and rigidity (OPTBAL)
  • Cold forged, CNC machined hub and oversized 7075 alloy axle combined with a titanium freehub body keep weight to a minimum
  • Shimano series: Dura-Ace
  • Brake type: Rim brake
  • Rim type: Tubular
  • Rim depth: 40mm
  • Rim width: 28mm
  • Spokes: 16 front, 21 rear
  • Weight: 618g (front), 771g (rear), 1389g (pair)
  • Includes: Q/R skewer (2)


  • Rim: Carbon
  • Hub: Aluminum
  • Freehub: Titanium
  • Spokes: Stainless steel
  • Nipples: Aluminum


  • Black


  • 618g (front)
  • 771g (rear)


  • 1 x Dura Ace WH-R9100-C40-TU Wheelset
  • 2 x Quick release
  • 2 x Valve extension
  • 2 x Spoke wrench
  • 1 x Adapter 11-speed


OPTBAL Spoke System
The OPTBAL rear wheel spoke system features 21 spokes - 14 on the drive side and 7 on the non-drive side. Cassette spacing in today’s wheels produces unbalanced tension in traditional 1:1 spoke systems. This unbalance is intensified with the 11-speed cassette, producing nearly double the tension on the drive side spokes. Generally high and low tension spokes have respectively tendency toward breaking down and coming loose spoke nipples. Unbalanced tension affects durability and strength. The OPTBAL design rebalances spoke tension, enhancing wheel rigidity and strength for a more durable wheel.

Shimano DURA-ACE R9100 (Di2)