UPPAbaby Vista V2 & Vista 2015+ Lower Adapters 817609016192 | eBay
UPPAbaby VISTA Upper Adapters (for VISTA 2015-later) - Walmart.com
Vista (2015+) Piggyback Ride-Along Board | Snuggle Bugz | Canada's Baby Store
Uppababy Vista 2018/19 complete seat unit
Amazon.com : UPPAbaby - RumbleSeat V1 | Compatible Only with Vista V1 2015-2019 Strollers | Two in Tow Stroller Converter | Forward & Parent-Facing Seat | 5 Point Harness | Loic (White/Silver/Saddle Leather) : Baby
Zgornji adapterji UPPAbaby Vista 2015-2019/Vista V2 :: MiniMe