SKU: 97340069994
cybex sirona s2 i-size

cybex sirona s2 i-size Cybex Sirona S 360 Rotational Convertible Car Seat with SensorSafe

Sale price$26.49 Regular price$29.43
Save 10%

Pay in installments of $7.36 with ShopPay, AfterPay and Klarna

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Nov 10 - Nov 15

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

cybex sirona s2 i-size Cybex Sirona S 360 Rotational Convertible Car Seat with SensorSafeThe Cybex Sirona S stands out as the only convertible car seat that features a 360 rotatable seat, providing exceptional ease of use without compromising safety. With its innovative load leg stability and advanced linear side impact protection, this car seat is designed to keep your little one safe during every journey. Moreover, the integrated SensorSafe technology enhances parental peace of mind by ensuring you receive instant updates about your

The Cybex Sirona S stands out as the only convertible car seat that features a 360° rotatable seat, providing exceptional ease of use without compromising safety. With its innovative load leg stability and advanced linear side impact protection, this car seat is designed to keep your little one safe during every journey. Moreover, the integrated SensorSafe™ technology enhances parental peace of mind by ensuring you receive instant updates about your child’s well-being directly to your mobile device.

Cybex Sirona S 360 Rotational Convertible Car Seat Features

The Cybex Sirona S is equipped with an EasyLock™ bar that simplifies the installation process, making it the only convertible car seat in North America to feature a one-time vehicle belt installation for both rear-facing and forward-facing modes. The load leg enhances stability by transferring crash energy to the vehicle’s floor, effectively reducing the risk of injury during an accident.

  • 360° Rotatable Seat: Easily rotate the seat to get your child in and out without straining your back.
  • Load Leg Stability: Significantly reduces crash forces and stabilizes the seat during an impact.
  • EasyLock™ Bar: Quick and secure installation with up to 4x less force needed.
  • SensorSafe™ Technology: Alerts you about your child’s safety via a mobile app.
  • 12-Position Recline: Adjust the seat to any of 12 positions, even with your child buckled in.
  • Linear Side Impact Protection (L.S.P.): Absorbs impact forces to enhance safety during side collisions.
  • Anti-Rebound Design: Minimizes rearward movement in the event of a crash.
  • Magnetic Buckle Holders: Simplifies getting your child in and out of the seat.

What Is SensorSafe?

SensorSafe technology is a groundbreaking feature that brings safety to the forefront. This smart chest clip sends alerts to your smartphone, notifying you if your child unbuckles themselves or if the temperature inside the car becomes too hot or too cold. This level of awareness is designed to help you focus on the road while ensuring your child is safe and secure.

Cybex Sirona S Rotational Convertible Car Seat Weight and Height Limits: What Age Is Cybex Sirona S 360 For?

Designed for children from 4 to 65 lbs and a height range of 17” to 49”, the Sirona S ensures that your child can remain in a rear-facing position for as long as possible, enhancing their safety. It’s essential to keep them rear-facing until they reach the maximum weight or height allowed by the car seat. For the Sirona S, the rear-facing limit is 50 lbs, while forward-facing can accommodate up to 65 lbs.

Cybex Sirona S 360 Rotational Convertible Car Seat Safety Ratings

Safety is paramount with the Cybex Sirona S. The linear side-impact protection system reduces the forces experienced during side-impact crashes by directing energy away from your child’s sensitive neck area. This innovative design, combined with the anti-rebound feature, contributes to its impressive safety ratings.

Cybex Sirona S 360 Rotational Convertible Car Seat Manual and Instructions for Installation

For optimal safety and performance, always refer to the Cybex Sirona S manual for installation instructions and guidelines on latch and tether limitations in various seating positions. The manual provides comprehensive guidance to ensure proper use and installation.

Cybex Sirona S 360 Rotational Convertible Car Seat Reviews: Why Parents Love It

Parents rave about the Cybex Sirona S for its exceptional safety features and user-friendly design. Many appreciate the 360° rotating seat, which makes loading and unloading their child effortless. The SensorSafe™ technology is particularly praised for providing peace of mind, allowing parents to stay informed about their child's status while driving.

Overall, the Cybex Sirona S 360 Rotational Convertible Car Seat with SensorSafe combines innovative safety features with user-friendly functionality, making it an excellent choice for parents who prioritize both convenience and protection.

Shop the Cybex collection

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 97340069994

Discover Niche Categories That Outsell cybex sirona s2 i-size

Top-Converting Item to Boost Your Average Order

4.4 ★★★★★
Based on 11 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
D
Verified Purchase
Dave Wright
Draper, US
★★★★★ 5
STA-BIL Start Your Engines! Because Sometimes Engines Need a Pep Talk
Size: 2 fl oz
So, STA-BIL Start Your Engines! is basically that friend who shows up uninvited but actually saves the day. You know, the one who doesn’t ask questions and just gets your engine running when it’s feeling moody or sluggish. Does it work? Of course it does. Like, “put a little in your gas tank, say a quick prayer, and voila!” kind of work. Suddenly your car remembers how to start, and you feel like a mechanic genius without actually lifting a wrench. It’s simple, it’s reliable, and it doesn’t judge you for letting your gas sit around until it gets that “I don’t want to cooperate” attitude. Pros: Makes your engine start like it just had an espresso shot. Easy to use — even if you’re barely awake in the morning. No weird smells or smoke signals, just clean, smooth starting. Cons: Won’t fix your “I forgot to put gas in” problem. Sadly, can’t make your car drive itself to work (yet). You might start relying on it a little too much — hey, no judgment. Final Verdict: ⭐️⭐️⭐️⭐️⭐️ – 5 stars. If your engine is feeling lazy, this stuff just works. It’s like a pep talk in a bottle for your car. Highly recommended for anyone who’s ever cursed their ignition.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 17, 2025
N
Verified Purchase
Nobody
Natrona Heights, US
★★★★★ 5
GREAT PROPDUCT
Size: 2 fl oz
EXCELLENT
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 27, 2026
A
Verified Purchase
Amazon Customer
Pawtucket, US
★★★★★ 4
Cleans Out Working Carburetors
Size: 2 fl oz
I recommend this product for engines that will in fact start but not run well. I highly recommend it for that specific purpose, which it is designed for. It cleans the inner workings of the carburetor. Of course, you will have a cleaner carburetor if you take it apart and clean it with proper tools and a proper carburetor cleaner. You spray it in the gas tank, start the engine, and let it run a bit. It will not start an engine with a totally plugged up carburetor. Nothing is going to do that. Nor is it a fuel stabilizer, as one previous reviewer seemed to think. Nor is it a product to be used to bring life back to stale gasoline, as another reviewer seemed to think. The only thing to do with stale gasoline is drain it out and pitch it. Nor is it a product to be used for cleaning a carburetor you have taken apart to clean. You should use a proper carburetor cleaner for that purpose. I've given it four stars because it cleans out mildly plugged up carbs. It is not a miracle solution for really neglected carbs as the name suggests.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 12, 2020
R
Verified Purchase
Ray
Houston, US
★★★★★ 5
Helps fixing small engines
Size: 2 fl oz
⭐⭐⭐⭐⭐⭐⭐
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 16, 2026
J
Verified Purchase
JustAGeek
Bozeman, US
★★★★★ 5
It works like magic, saved me $150.
Size: 2 fl oz
I filled 1/4 tank of gas into my snowblower which I could not started, sprayed about 15 seconds of Start Your Engines, rock snowblower to mix well, let it sat for an hour. I pulled string and yet couldn't start engine. Unscrewed spark plug and spray some into cylinder, put the spark plug back and pull the string. ENGINE STARTED!!! SAVED ME AT THE LEAST $150.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 1, 2026

recommand products