Best price to quality ratio to access the mythical Cosmic carbon wheels and boosts performance to new levels. Aero efficiency quick acceleration and the improved ride quality of UST Tubeless. You get it all with this disc-brake specific wheel featuring easier to use Road Tubeless technology and lighter weight. Dynamic and easy to ride Lightweight full carbon rim brings low inertia for instant acceleration and improved control 21mm internal width maximises tyre volume for improved confidence efficiency and cornering grip Disc specific wheel design perfectly handles the disc brake constraints All terrain versatility 42mm rim profile and flat spokes are wind tunnel proven for low wind resistance and high lateral stability at high speed Low overall weight means excellent climbing abilities Mavic UST tubeless ready improves comfort efficiency and tyre installation Reliable and easy to service High quality hubs thanks to long lasting bearings and the proven reliability of our ID360 freewheel technology Standard J-Bent spokes for easy service Handbuilt in Europe and 2 Year warranty plus 1 extra Year when registered Weight Pair: 1660g Rear: 885g Front: 775g Understanding the different Mavic freehub body acronyms: HG or M11 – Shimano HG Road 11/12x other speeds with spacer MS - Shimano Microspline XD - SRAM XD XD-R - SRAM XD-R ED11 - Campagnolo 9/12x N3W - Campagnolo 13x