If youre obsessed with marginal gains and have the wallet to back it up the tarmac pro disc stands on its own two wheels as a bike thats born to perform and able to take your riding and racing to the next level like the s works tarmac iterations it features a rider first engineered design that that applies specificity to every tube size and carbon layup for every frame size this creates the optimal balance of rigidity weight and responsiveness so every frame regardless of size performs