Zipp 30 Course Alloy Tubular Rear Wheel

. This 30 Course rear wheel from Zipp marks the company's first tubular wheel design made specifically for those who prefer the feel of rim brakes. The result is a racing ready rear wheel that offers the perfect balance of speed and stability Wide Set Aluminium Rims. Featuring a wide rim profile, this rear wheel provides a greater tyrecontact patch with the ground for increased traction, rolling efficiency and ride comfort. A lightweight alloy rim construction ensures it comes complete with the durability to accommodate a rim brake set up. Plus, Zipp's reliable 177 hub optimises the tension of each Sapim CX Ray spoke for a reliable power transfer, so you can expect excellent race day performance Features MaterialAluminium Hub Model177 RimTubular Rim Depth26mm Rim Outer Width25mm SpokesSapim CX RaySpoke Hole Count18 Hole Spoke PatternRadial Spoke Length280mm NipplesSapim Secure Lock Weight705gBuyZipp Wheels & Tyresfrom Chain Reaction Cycles, the Worlds Largest Online Bike Store.