The allez dsw sl sprint expert is one of the most advanced alloy road bikes weve ever made designed with the singular focus of being a reliable crit racing weapon at the heart of it is our dsw sprint technology which strategically places more welding material where its needed resulting in an aluminium bike thats more compliant and considerably stiffer how stiff exactly its the stiffest alloy bike weve ever tested drawing inspiration from the rider first engineered tarmac this frame