# Safety warnings and use limits for stroller frames What safety warnings and use limits should be checked before using a stroller frame? Babyzen\-dc YOYO2 Ultra Compact Frame: The YOYO2 6\+ stroller is suitable from 6 months and up to 22 kg or 102 cm\. The YOYO2 6\+ stroller is approved in accordance with EN1888\-2:2018 and ISO 31110:2020\. Compact and light for London buses and trains; better than a large double pram, but not recommended for bumpy country roads\. Cybex e\-Priam \(Model E900\): It is a three\-in\-one system that fits an included stroller seat, plus separately sold Lux Carry Cot and infant car seat, and is recommended from birth; on maximum child weight the sources disagree \(this US review gives 55 lbs, while the maker's product page gives 22 kg\)\. Never leave the child unattended\. Cybex\-dc Priam 3: The maker's page says from birth up to 22 kg \(approx\. 4 years\), while the store's listing says from birth up to 37\.5 lbs; the sources disagree on the maximum child weight\. The frame is only compatible with 2019 Priam Seat Fabric and not older Priam seats\. Cybex AVI Fixed Front Wheel Jogging Stroller Frame: Tire pressure should be 4 bar / 58 psi, with minimum 3\.5 bar / 50 psi and maximum 5\.9 bar / 85 psi\. It rolls smoothly over pavements, cobbles, smooth trails, grass and rougher tracks, but the slim tyres with little grip are poor in deep mud or rocky trails\. ### 1. [Babyzen\-dc YOYO2 Ultra Compact Frame](/products/ucp/albeebaby-com/9564458516711) (sold by albeebaby\.com) The YOYO2 6\+ stroller is suitable from 6 months and up to 22 kg or 102 cm\. - Age, weight or height limit: The YOYO2 6\+ stroller is suitable from 6 months and up to 22 kg or 102 cm\. (manual) - Safety warning or standard: The YOYO2 6\+ stroller is approved in accordance with EN1888\-2:2018 and ISO 31110:2020\. (manual) - Use limit: Compact and light for London buses and trains; better than a large double pram, but not recommended for bumpy country roads\. (review) ### 2. [Cybex e\-Priam \(Model E900\)](/products/ucp/albeebaby-com/9565344989415) (sold by albeebaby\.com) Never leave the child unattended\. - Age, weight or height limit: It is a three\-in\-one system that fits an included stroller seat, plus separately sold Lux Carry Cot and infant car seat, and is recommended from birth; on maximum child weight the sources disagree \(this US review gives 55 lbs, while the maker's product page gives 22 kg\)\. (blog) - Safety warning or standard: Never leave the child unattended\. (manual) - Use limit: - ### 3. [Cybex\-dc Priam 3](/products/ucp/albeebaby-com/9565344923879) (sold by albeebaby\.com) The maker's page says from birth up to 22 kg \(approx\. 4 years\), while the store's listing says from birth up to 37\.5 lbs; the sources disagree on the maximum child weight\. - Age, weight or height limit: The maker's page says from birth up to 22 kg \(approx\. 4 years\), while the store's listing says from birth up to 37\.5 lbs; the sources disagree on the maximum child weight\. (guide) - Safety warning or standard: - - Use limit: The frame is only compatible with 2019 Priam Seat Fabric and not older Priam seats\. (guide) ### 4. [Cybex AVI Fixed Front Wheel Jogging Stroller Frame](/products/ucp/albeebaby-com/9565345054951) (sold by albeebaby\.com) Tire pressure should be 4 bar / 58 psi, with minimum 3\.5 bar / 50 psi and maximum 5\.9 bar / 85 psi\. - Age, weight or height limit: - - Safety warning or standard: - - Use limit: Tire pressure should be 4 bar / 58 psi, with minimum 3\.5 bar / 50 psi and maximum 5\.9 bar / 85 psi\. (manual) ## Also cited in the text - Cybex AVI Fixed Front Wheel Jogging Stroller Frame, Terrain: It rolls smoothly over pavements, cobbles, smooth trails, grass and rougher tracks, but the slim tyres with little grip are poor in deep mud or rocky trails\. (review) Every value in the table is a fact RoboTrunk checked, linked to the page it came from\. A dash means no checked fact fills that cell\. Prices and stock change, so this page prints neither: each product name links to its RoboTrunk page, which shows them live\. Written 2026-10-31T08:17:14.874Z. 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