New, never ridden.

Center lock, 19mm inner width.

It’s natural to point out that the design of the 40 mm rim is the direct descendant of the 55 profile: all the solutions developed for the higher profile have been included here, in a less specialised version.

So 40 mm, a light rim, created by the superposition of wide, modern unidirectional layers, with a pronounced profile (8 mm radius): innovative shapes, designed to blend with the tyre in a single element capable of eliminating turbulence, avoiding interrupting the flow of air that meets the wheel during the race.

But 40 mm also means v...