Partington R-Series 39/44 Wheelset MKII

The MKII is the result of two years of focused and intense development, combining the latest in carbon materials design and manufacture to achieve a wheel that is the lightest in its class today.

The new MKII R-series is the ultimate performance road wheel for training and competition. With the highest lateral stiffness (~55/mm) in its class, the MKII delivers exceptional ride comfort and responsiveness for the discerning rider."