Specialized 2010 road preview

Specialized has expanded on the lessons learned with the current S-Works Tarmac SL2 to produce – what else – the new Tarmac SL3. According to Specialized, the SL3 'module' weight (frame, fork, headset, crankset, seatpost) of 2,047g shaves a rather remarkable 153g off of the already light SL2 while simultaneously increasing both front triangle torsional rigidity and rear triangle stiffness by 18 percent. But what about drivetrain stiffness? "The SL2 bottom bracket rigidity had reached ...