microSHIFT Centos Trigger Shifter Set, 11-Speed Road, Double, Compatible with Shimano CompatibleCentos Xpress+ shifters are jam packed with bearings for slick shifting action. The bearings are bikes' best friends, and when they meet with shifters, the result is minimal loss in transferring force from your fingertip into shift cables. Cold forged body for minimalistic design 4 bearings for smooth shifting action Include shift cables Product Specifics Double or Triple: Double Double or Triple: Triple Front Der Shifter Compatibility: Compatible