The bike that redefines speed. Born from a desire to do what’s never been done before, the ULTRA-AERO SL R delivers aerodynamic gains once thought impossible, making your fastest rides even faster. In its Enthusiast build, the ULTRA-AERO SL R is paired with Shimano’s Ultegra Di2 electronic groupset for fast, flawless shifting, lightning-fast Mavic Cosmic SL 65 carbon wheels and a race-proven Selle Italia SLR Boost saddle. The integrated ULTRA carbon cockpit completes this ground-breaking package, engineered to cut through the air and turn every watt into pure speed.