Specialized Roubaix SL4 Pro Disc Race Ultegra Di2 Review

We took the Specialized Roubaix SL4 Pro Race Ultegra Di2 (phew) for a ride around Ballarat during our latest Destination Bike adventures. Find out what we thought of Speclialized’s endurance road race machine right here. (USA) (Germany) (Australia) (New Zealand)