For Specialized Tarmac SL6 SL7 SL8 Seatpost Number Mount Holder Road Bicycle Cycling Plate Bracket - AliExpress
New Bike Day! Specialized SL6 Tarmac Pro custom build. S-Works seatpost and fork, Fizik Cryano R1 cockpit, Shimano R8000 mechanical groupset, HollowGram 35 carbon wheelset wrapped in Continental GP5000 rubber, PRO Turnix