Challenge Criterium RS Tubeless Tire Black/Black Shoe Brand_Altra You have two bearing choices

You have two bearing choices

which is ensured by a 4-way stretch that maximizes the need for the material contour to the body and saddle shape

Just securely strap it on and start riding

Pedal Body Material: Carbon

Challenge Criterium RS Tubeless Tire Black/Black Shoe Brand_Altra You have two bearing choicesULTIMATE PERFORMANCE. The Criterium RS has the perfect mix of speed, grip and durability with at the same time providing refined control and shock absorption capabilities thanks to its handmade construction. The Criterium RS comes in a 350tpi Corespun Cotton casing in Tubeless Ready that optimize weight, comfort and, with the new SMARTPRIME compound, it becomes one of the lowest rolling resistance tires in the market.