microSHIFT Centos Drop Bar Shift Lever Set 2 x 11-Speed, Shimano Compatible Gel These upper headsets are for

These upper headsets are for Trek frames with molded-in internal bearing cups

Tuned compression design provides a secure bottle retention with easy in-and-out accessibility

20mm dropouts

Lace closure with hook-and-loop top strap

38mm / 29" / Boost Lower Leg Assembly

microSHIFT Centos Drop Bar Shift Lever Set 2 x 11-Speed, Shimano Compatible Gel These upper headsets are forCentos shift levers feature the same race oriented features of microSHIFT's top end Arsis group without the carbon aesthetic. Comfy ergonomics, finely tuned lever action, and a progressive stepped inner lever for shifting from the drops all combine to create a shifter capable of racking up some real miles. Compatible 11 speed drivetrain systems include Shimano Dura Ace R9100 and 9000, Ultegra R8000 and 6800, and 105 5800