Ruota posteriore da strada Zipp 404 Firecrest clincher DB 2017

Nome: Ruota posteriore da strada Zipp 404 Firecrest clincher DB 2017
Marca: Zipp
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Su trovi Ruota posteriore da strada Zipp 404 Firecrest clincher DB 2017 a prezzi convenienti. Ruota posteriore da strada Zipp 404 Firecrest clincher DB 2017 è disponibile nelle misure 700c.Wheels Zipp. Wheels Nero. Wheels misura 700c.

Zipp, Nero.

Zipp 404 Firecrest Clincher DB Rear WheelThe Zipp 404 Firecrest Clincher DB Rear Wheel is one wheel that does it all, perfect for every riding situation  that requires speed and powerful braking performance, and the convenience of clincher tyres. Designed with a rim depth and profile that has been proven  in all conditions, it is an ideal option for every triathlon distance,  breakaways, sprints and hill finishes. The addition of being disc brake compatible means you can brake later when coming into corners, significantly improving your riding times overall Efficient and DurableThe Firecrest is a standard to  which all other wheels are measured, it’s been a pro favourite for nearly three  decades and has won many Grand Tour stages, International Triathlons and Ironman  events. At the centre of this success is the Zipp 177D hub set with its  exceptional durability, rolling efficiency and bearing life, with no  pre-adjustment needed; these hubs make every riding endeavour a hassle-free  experience meaning you can focus on the route ahead Safe and Competitive BrakingThe disc brake version of the 404  Firecrest compliments modern riding requirements where stopping power is a high  demand. As riding is getting faster, routes are comprising of long winding  descents through all weather conditions as rider competition gets fiercer;  having the confidence to be able to stop and slow down competitively and safely is a major feature this wheel delivers Features:  Hub Model: 177D  Brake Standard: Disc Brake specific  Axle: Quick Release  Rim: Clincher  Rim Clincher Bead Width: 16 25mm  Rim Depth: 58mm  Spokes: Sapim CX-Sprint  Spoke Hole Count: 24 Hole  Spoke Pattern: 2-cross  Spoke Length Drive Side: 258mm   Spoke Length Non-Drive Side: 260mm  Max Tyre Pressure: 125psi / 8.62bars  Dimpled Surface: Yes  Nipples: Sapim Secure-Lock  External Nipples: Yes  SRAM XD R Driver Compatible: Yes (sold separately)  Weight: 935gFeatures: Aerodynamic Boundary Layer Control (ABLC): The Sawtooth dimple design consists of 12 nodes that are specifically clocked to start aerodynamic shearing at a rate of 50hz at a rider speed of 20mph. Sawtooth accomplishes this by inducing small sheet vortices that shed at a low magnitude, but at a higher natural frequency, thus decreasing the laminar bubble effect on the aerodynamically shielded side of the rim’s profile to further reduce high yaw drag and improve crosswind stability. Carbon Bridge: Adding Kevlar, stitched into a 6 bundle co-axial thread and placing this at the rim edge allows Zipp to ‘capstone’ the top of each outside diameter bridge, providing an improved way to distribute impact forces. This gives from 28% to as much as 50% improvements in impact depending on the rim type and allows Zipp to increase the lateral stiffness with minimal weight penalty. Visco-Elastic Constrained Layer Control (VCLC): Using a vibration absorbing material that is compressed between layers of solid carbon laminate on the rim surface. This technology means that when the rim received as impact from the road, a lot of the shock is absorbed by the VCLC system, resulting in a 10% reduction in road vibration. Wire EDM: Electron Discharge Machining allows Zipp to precisely remove internal material from the rear hub after they have been heat treated. This removes any abnormality that can sometimes occur during the heat-treating process, resulting in perfectly finished hub shell Buy Zipp Wheels & Tyres from Chain Reaction Cycles, the World’s Largest Online Bike Store.

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