Specialized Tarmac SL7 Expert Road Bike 2021, 54cm model gt 1 Shimano Dura Ace R9100 C24 Carbon Aluminum Shimano Dura Ace R9100 C24 Carbon Aluminum Clincher 700c Wheelset The minimal design of the ShockStop Stem blends seamlessly with the aesthetic of modern bikes Go further reduce fatigue from bumps and vibrations Ride faster energy that is normally wasted suspending your body is converted into forward motion Take control customize your suspension feel to float over obstacles and maintain control over rough terrain Unwanted vertical movement is absorbed by twin interchangeable elastomers Stem retains torsional rigidity Travel is limited to 1 2 centimeters Made with 6061 T6 Aluminum for lightweight durability Includes 5 swappable elastomers (2 pre installed Specialized Tarmac SL7 Expert Road Bike 2021