Shimano Dura Ace R9170 C40 Disc Rear Wheel

. The Shimano Dura Ace R9170 C40 Disc features a 40mm deep carbon rim that has a 24mm internal width. It is equipped with a wide 12x142mm hub spacing, Centre Lock disc brake rotor engagement and an 11 Speed freehub body. This wheel is Shimano's top of the range road rear disc wheel Faster Rolling Performance. This wheel can use wider tyres effectively. A 28c tyre width creates a greater contact patch with the road. This provides faster rolling performance, greater traction and exceptional grip. The wider tyre allows exceptional, confidence inspiring grip when cornering at speed as you can lean much further before losing traction compared to the traditional 23c tyre. The inclusion of a 12x142 thru axle stiffness up the rear of a road bike and is as simple to install and remove as a standard Quick Release skewer, but is much stronger and safer Features Material Rim Carbon; Hub Aluminium; Spokes Stainless Steel Rim Depth 40mm Rim Internal Width 24mm Hub Spacing 12x142mm Axle Standard Thru axle Freehub Body Shimano 11 Speed Type Road Tubeless Weight 700gBuy Shimano Wheels & Tyres from Chain Reaction Cycles, the Worlds Largest Online Bike Store.