The road lineup is designed with a clear focus on low weight, offering lightweight gravel wheelsets with rim profiles from 30 mm to 55 mm

The Z45i21SL4 is built around a 45 mm rim profile with a 21 mm internal width and 28 mm external width.

Z45i21SL4 Starts at 1225 g

The "Plus" designation identifies wheelsets equipped with Pillar Wing 20/21 spokes. Models without the "Plus" suffix are built with DT Swiss Aerolite or DT Swiss Aero Comp spokes, depending on the respective wheelset specification.