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The Colnago TT1 Frame: is the first Colnago time trial Bicycle with disc braking system.
The choice guarantees the best passage of the hydraulic pipes inside the Frame with better braking performance and greater rigidity of the entire Bicycle thanks to the use of through pins on the wheels. The weight difference with the previous Colnago TT model, K.One, is minimal while offering better braking performance and overall safety.