Diabolus Rear Rack Seat (Diamond Pattern) for Honda CT125 (Only & V3(CT073) Rack) This Passenger Rear Rack Seat requires Diabolus V.3 Rack (cannot use with V.2) ***It cannot install alone AND cannot use with V.2 Rear Rack CT73 Diabolus V.3 Rear Rack https://k-speed-e-commerce-prod.vercel.app/th/product/49 Installing Video https://www.youtube.com/watch?v=jjkMGaEc6Ao