These axle caps are milled from solid aluminum billet and come in polished aluminum, chrome, or black. The axle covers are 3 inches tall and 1.5 inches in diameter at the bottom, and match our spike hand grips, foot pegs and more. They are secured to the axle with a small set screw in the bottom, and fit the following model Harleys. Model #01 fits ?84 ? later softails (except springer and FXSTD), ?91-03 FXD FXDX,FXDL,FXDS, ?93-95 FXDWG, ?80-?99 FLTR/FLHT/FLHS/FLHR, ?88-later XL,FXR, ?87-later FLXR/FXRS-SP,FXWG. Model #02 fits; ?00-?07 touring models, ?04 ? ?07 Dyna (except ?04-05 FXDWG and ?07 FXDSE) Model #03 fits ?08 Roadkings, touring and Dyna models, ?02 ? Later VRSC models (except VRSCR), ?07- Later Softail models (except Springer and FXSTD). Make sure you contact us with your specific bike model and year and the correct color choice