The specialized sworks tarmac disc etap road bike 2017 leads the road racing revolution with an incredible design that comes paired with the all new wireless sram etap groupset featuring an impeccable s works fact 11r carbon fibre frame that is unbelievably light stiff and reactive making it the perfect all round race bike the specialized sworks tarmac is a result of a rider first engineered design that applies specificity to every tube size and carbon layup for every frame size