GrigioCarbonio HardWheel 28T ultralight 700c road tubular rim. 28 mm, height, 24.5 mm width. Monocoque made with super high module T1000 carbon fibre (the most advanced and performable on the market). ABS (Aerospace Braking Surface) patent pending high performance technology with the use of an aerospace material which allows an incredible brake power ,low heat transmission and no wear. From only 235 grams! 16h-20h-24h-28h-32h. 100% made in Italy.