GadgetGuy bracket tree is designed for installation of Garmin GPS units, radar detectors, XM radios on large number of motorcycles. Part numbers shown in this list are intended for creating various bracket tree combinations. Mix-And-Match GadgetGuy components. Link to GadgetGuy Web Page with explanation how to create your own mounting solution. Universal Bracket Kit II and it's modifications. Universal Bracket Kit III for installation on "clip-on" type handle bars! Extension Joint Assembly for Base Plate I, II, Housing for 26xx Housing for StreetPilot 26xx/27xx/28xx series Base Plate I, II and III 0.015" Shim Set for Base Plate I, II and Housing $7.94 Bracket Kit IV for BMW R1150RT Bracket Kit IV (upgrade solo to deluxe) $158.80 Bracket Kit V for BMW R1100RT Bracket Kit VI for Honda GL1800 Bracket Kit VII for H_D Electra Glide Bracket Kit VIII for BMW R1200GS BMW Combo Bolt Kit R1100RT $36.00 Bracket Kit IX for R1200RT Crash Bar Assembly for Star Vmax 1700 Replacement Parts 0.875"OD x 1 "tall x 0.5"ID Split bushing, 2 piece (1/2" to 7/8" adaptor)