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Shimano Dura Ace R9100 C40 Carbon Clincher Wheelset
Even the smallest aerodynamic advantage can make all the difference when it comes to finish-line sprints. Shimano knows this and the evidence is clear to see with their Shimano Dura Ace 9100 C40 Carbon Clincher Wheelset.
The wheelset rim's 35mm depth and 20.8mm width provide an aerodynamic profile that cuts through the air with immense efficiency. The profile elongates tyres so contact point on the road is minimal. This improves traction and grip, allowing you to hit the corners with confidence and speed.
  • Lightweight clincher carbon 35mm deep 20.8mm wide rim with alloy braking surface for improved aerodynamics, increased rigidity and excellent inertia for sprinters and TT specialists
  • Stainless steel butted and bladed straight pull spokes for optimal balance and rigidity
  • Elbow-less spokes make for a strong yet compliant wheel
  • High lateral rigidity is produced with a wide flange spacing
  • Labyrinth double-contact sealing effectively shuts out water and dirt
  • Alloy cone with integrated steel Borozon treated bearing races - super mirror finish reduces friction
  • Quick and easy to maintain digital click bearing adjustment
  • Freehub uses quick pawl engagement every 10 degrees
  • Cold forged, machined aluminium hub shell and oversized 7075 alloy axle combined with a titanium Freehub body keep the wheel weight to a minimum
  • Rim: Carbon laminated, Clincher
  • Profile: 35mm
  • Brake Surface: Alloy
  • Axle: Quick Release
  • Freehub: Shimano 10/11
  • Bearings: Steel Borozon Treated
  • Spokes: Bladed, Straight Pull
  • Count: 16 Front / 20 Rear
  • Includes: Skewers, Rim Tape
  • Weight: 1485g
Merlin service excellent as ever. I love the C35 wheel though the quality on my last pair was not up to the quality of my first pair. I have however decided to give Shimano another chance as these wheels perform very well. Hopefully they will have resolved the carbon lamination issues I experienced on my 2nd pair.
Very happy with this wheelset; the marriage of alloy rim and carbon body allows smooth transition from alloy form factor to carbon form factor. Wheels are fast and roll well; good for road and moderate climbing . . . in other words a very good all-around wheel. The 35mm carbon profile rides well in the crosswind.
Excellent all rounder wheelset. The wheels are light, spin up fast, climb, descend, hold speed and handle cross winds with no issues. Since my rides include the mountains of Southern California, I was looking for an alloy brake track for its strong stopping power in all conditions. Based on repeat ride data, the rim aerodynamics are very good with measurable gains in speed. Combined with DA reliability, resale value and Merlin price, these wheels are a fantastic purchase and a joy to ride.
All I can say is Wow! I realize that these aren't the absolute very top-of-the-line wheels but what more does someone need, unless that someone is a pro? I made the switch from Campy Zonda's, which are stiff and perform well, but these C40 clinchers take performance to another level. I was expecting more compliance and better handling but the improved hub engagement and power transfer blew me away. I went out and tested the C40's on familiar climbs over several days and I can best describe the difference as making a once nearly impossible hill now seem like just another day at the office. The bumps in the road are now well muted, my downhill speeds have increased due to better rolling, I have much more speed and control through turns, and the responsiveness through each pedal stroke truly brings my bike to life. I don't know how long these wheels will last but I can imagine that the outcome will be good, given the Dura Ace reputation. My only complaint is that the aluminum braking surface seems a little soft and might leave a few shiny bits in your brake pads if you don't have the right ones. The easy fix is to pick up some brake pads that are designed to be easy on rims composed of softer alloys. Overall, I can't think of a better wheelset for the price, if you're looking for a solid all-rounder with a strong nod toward climbing potential. I already can't wait to get back out there and enjoy the heck out of these things!
An all rounder wheelset. Light and ultra smooth. Highly recommended.
The wheels roll smooth and are fast. Love them, so far I have done about 300 kms on them and they are superb. Awesome price, couldn't find anywhere that could match this price.
Great wheels. After looking around for a new set of wheels, these are a great choice for any 'novice'. Happy with the C40 depth, the carbon are a no-brainier. Nice quiet wheels, would recommend to anyone looking to upgrade.
Excellent wheels: stiff, light, awesome looks. Great service from Merlin as well.