Multi-Light Radion Mounting System – Track The Multi-Light RMS is modular and customizable mounting system for Radion XR15 and XR30 systems. The Multi-Light Radion Mounting System – Track is the horizontal piece that spans between the RMS Multi-Light Arms The Multi-Light RMS features: Built-in cable management Rimmed, rimless, and euro-braced tank capability Rigid and light-weight Tough anodized aluminum finish A single Multi-Light RMS can support XR15 and XR30 lights on the same track Flexible slide mounts allow for precise placement of your Radions Mounts Radions approximately 7 inches (18cm) above the tank The Multi-Light Radion Mounting System requires the purchase of the three main components: RMS Track – Horizontal piece that spans between the RMS Multi-Light Arms RMS Arm – Vertical pieces that mount to your tank and support the RMS Multi-Light system RMS Slides – Adjustable mounting brackets that attach to the RMS Track and support the Radion LED lights Multi-Light RMS Track Lengths Track Size Model Number SKU Tank Measurements 20.5\” XR703-0205 919382Y 18.5-28.5in (47-72.4cm) wide 30.5\” XR703-0305 3526311 28.5- 8.5in (72.4-97.8cm) wide 40.5\” XR703-0405 P401781 38.5-48.5in (97.8-123.2cm) wide 50.5\” XR703-0505 809257J 48.5-58.5in (123.2-148.6cm) wide 60.5\” XR703-0605 147716K 58.5-68.5in (148.6-174cm) wide 70.5\” XR703-0705 G126469 68.5-78.5in (174-199.4cm) wide 80.5\” XR703-0805 650146E 78.5-88.5in (199.4-224.8cm) wide 90.5\” XR703-0905 208945 88.5-98.5in (224.8-250.2cm) wide