This thread should be moved to Hybrid section, since Hybrids are the only RV with this clamping system.
OP, as far as I know, Roo/Shamrock hybrids are the only hybrids with this clamp system. You'll probably have to order through a Forest River dealer.
Dan- Firefighter, Retired:C, Shawn- Musician/Entrepreneur:W, Zoe- Faithful Golden Retriever(RIP:(), 2014 Ford F150 3.5 EcoboostMax Tow pkg, 2016 PrimeTime TracerAIR 255 w/4pt Equalizer and 5 Mtn. bikes and 2 Road bikes