The Smart Foundation for Every Journey

When it comes to keeping your child safe on the road, the right base makes all the difference. The CYBEX Base G3 i-Size is the dependable, cleverly engineered companion that transforms car seat installation from a daily headache into a seamless, second-nature routine. Designed for families who value both safety and simplicity, this is the base that works as hard as you do — and then some.

One Base, a World of Flexibility

Compatible With Four Car Seats

One of the Base G3's most impressive qualities is its remarkable versatility. Compatible with the Cloud G3, Sirona G3, Cloud G i-Size, and Sirona G i-Size, this single base supports your child from the earliest days of newborn life right through to the point where they're ready for the next stage of their journey. Rather than investing in multiple bases as your family grows and your needs evolve, the Base G3 offers a joined-up, long-term solution that genuinely makes sense — both practically and financially.

Whether you're transitioning from an infant carrier to a toddler seat, or simply sharing the base between two compatible seats, the flexibility here is hard to beat.

Installation Made Wonderfully Simple

ISOFIX With a Parent-Friendly Twist

Fitting a car seat base shouldn't require an engineering degree — and with the Base G3, it absolutely doesn't. The intuitive ISOFIX-Release buttons make securing and removing the base straightforward and satisfying, clicking firmly into place so you always know when it's properly connected. A height-adjustable load leg provides an additional layer of stability, anchoring the base securely to the floor of your vehicle and giving you one less thing to worry about.

Driving Direction Control — Safety Built In

The Base G3 includes a thoughtful Driving Direction Control (D.D.C.) feature that ensures the Cloud G3 can only be attached in the rear-facing position — the safest orientation for infants. As your child grows and you transition to the Sirona G3, two additional settings allow you to choose between rear-facing and forward-facing travel. It's a small detail that carries significant weight when it comes to your child's safety.

Effortless On and Off-Boarding

360° Rotation That Changes Everything

Getting a sleepy baby in and out of a car seat is one of parenting's less celebrated challenges. The Base G3 tackles this head-on with its 360° rotation system — a single pull of the rotation handle swings the seat smoothly towards the car door, allowing you to settle your little one in or lift them out without the awkward reaching and twisting that puts strain on your back. The seat releases simultaneously as it rotates, making the whole process feel genuinely effortless, even on the most hectic of mornings.

Engineered to the Highest Safety Standards

The Base G3 is fully certified to UN R129/04 i-Size regulations, meaning it meets the very latest European safety standards for car seat bases. Built to complement CYBEX's wider G3 ecosystem, every element has been carefully considered to deliver a product that parents can trust completely — from the first click of the ISOFIX connectors to the last journey before your child graduates to their next seat.

Reassuringly solid yet impressively straightforward to use, the Base G3 is proof that safety and convenience don't have to be in competition.

Key Features

• Compatible with four seats — Cloud G3, Sirona G3, Cloud G i-Size & Sirona G i-Size
• 360° rotation system — smooth, door-facing boarding and off-boarding with one pull
• ISOFIX-Release buttons — simple, secure installation every single time
• Height-adjustable load leg — added stability and peace of mind
• Driving Direction Control (D.D.C.) — ensures correct rear-facing use with the Cloud G3
• Forward & rear-facing settings — adaptable for use with the Sirona G3
• UN R129/04 i-Size certified — meets the latest European safety regulations
• Long-term flexibility — a single base solution that grows with your child
• Product weight: 7.0 kg — robust yet manageable
• Part of the CYBEX G3 Modular System — designed to work seamlessly within the full ecosystem

PLEASE NOTE - BASE ONLY, CAR SEATS SOLD SEPARATELY