Wild 1 Reaper Ape Hangers Satin Black 10" WO580B Bars are 1-1/4in diameter with 1in. diameter at clamping and control areas Slotted and drilled for Thottle by Wire Harley Touring Models 2015 and newer Harley Davidson Road Guide models require Wild 1 accessory to clamp Tube Size: 1.25in. Height: 10in.