Light and aero carbon clincher weight 1545 grams pair without tyre superior braking performance and reliability tgmax enhances braking modulation and shortens stopping distance rim cooling system rapidly dissipated heat makes the rim reliable and strong fore drilling stronger and more reliable rim the perfect blend of lightweight and aerodynamics 40 mm wind tunnel optimized rim profile extralight carbon rims fitted with 190 gram yksion pro clincher tyres stiff and easy to maintain in a str