Zipp 303 Carbon Clincher QR Rear Wheel. The Zipp 303 Carbon Clincher QR Rear Wheel features top level, podium proven performance and is suitable for any riding style you can imagine. It is light enough to spend a day climbing to the highest peaks without you ever feeling weighed down, but stiff, reliable and stable enough to race your way to the bottom at full speed. This full carbon wheel features the unique Showstopper brake track surface, which provides exceptional stopping power and brake balance in even the wettest of weather conditions while not decreasing your brake pads wear life Aerodynamic Performance. The 303 Firecrest wheel design is fine tuned and optimised thanks to rigorous wind tunnel testing to ensure that air drag does not affect stability or your power output when aiming to increase your performance. The power transfer is increased further thanks to the precise wheel building procedure that all Zipp wheels are subject to. Every Zipp wheel is laced and constructed by hand and tuned to the highest levels of performance; many World Tour events have been won on Zipp wheels and customers receive the exact same quality as their Pro Race Teams Features Hub Model177 Rim Outer Width26 4mm Rim Internal Width17mm RimCarbon Clincher Rim Depth45mm SpokesSapim CX Sprint Spoke Hole Count24 Hole Spoke Pattern Drive Side2 cross Spoke Pattern Non Drive Side2 cross Spoke Length Drive side270mm Spoke Length Non Drive side272mm Max Tyre Pressure125 psi Track AdaptableNo Dimpled SurfaceYes 11 Speed CompatibleYes NipplesSapim, External Thru Axle CompatibleYes XD Driver CompatibleYes supplied separately Weight835gTechnologies Showstopper Showstopper is a complimenting pairing of a directional, moulded in, texture with silicon carbide particles suspended in the surface resin. The current media blast process applied to all Zipp rims increases the surface roughness of the brake track providing the rider with consistent and responsive braking. In order to improve this for the wettest of rides, Zipp have introduced a moulded in groove specifically tuned for the Zipp Tangente Platinum Pro EVO Brake Pad. The grooves have been optimized to interact with leading edge relative to the rotation of the wheel of the brake pad and the four cooling channels. The leading edge of the pad and first two channels efficiently wipe water and debris outward, cleaning and drying the braking surface, while the second two cooling channels have maximum interference with the grooves allowing greater braking force than a smooth rim. The cleaning effects of the groove and pad interaction improve brake feel and consistency even in dry conditions. SawTooth The name given to the Zipp NSW variable depth 5358mm rim profile. This design is the result of rigorous wind tunnel and real world testing. The rim shape takes natures elegant design solutions and combines their precise engineering finesse to deliver a wheel that performs like nothing else before. Firecrest A unique to Zipp rim profile that provides more aerodynamic finesse than any other rim design. It also improves handling in crosswinds significantly and increases the ride quality enormously. Buy Zipp Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.
Price: £809.99 from Chain Reaction Cycles
. Packed to the brim with Zipp's innovative technologies, the 303 is an all carbon rear wheel clincher that's lightweight and responsive enough to suit riders of any skill level. A deep 45mm rim offers excellent aerodynamics while also being stiff enough...
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