* The beloved Zonda, now with a wider C17 rim* 17mm internal rim width, ideal for 25c and 28c tires* Improved grip, better aerodynamics and lower rolling resistance* 27mm front and 30mm rear rim with precision milling between spokes* Mega G3 spoking on the rear wheel improves stiffness and power transfer* Oversized flange hubs with aluminum axles and high quality steel bearings* Stainless steel aerodynamic spokes with self-locking nipples* Cup and cone bearings with microsetting adjustments* 1540g per pair