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✅ From birth up to 19kg
✅ 360º swivel car seat
✅ Integrated side protection
✅ R129 (i-Size) approval
✅ 5-point harness
✅ 6 recline positions available
✅ Produced in Europe
The Britax Römer Dualfix PRO car seat is designed for rearward facing travel from 40 cm to 105 cm or 19 kg, whichever comes first, from birth up to approximately 4 years, and is approved according to the latest R129 (i-Size) standard. The Dualfix PRO swivels 360º, also giving you the option to place your baby in a forward-facing position from 15 months and 76 cm in height. This feature provides the practicality of rotating the seat sideways towards the car door, making it easier to place and remove your child more comfortably. It includes a newborn insert, integrated SICT inside side impact protection, six recline positions, and Isofix installation.
- The newborn insert, made of viscoelastic foam in the central head area, provides greater comfort for the baby and offers increased safety in case of impact. It should be removed from 61 cm in height.
- The Dualfix PRO features a side impact absorption system, SICT inside, which is integrated into the seat's structure on both sides. The V-shaped headrest keeps the baby's head movement controlled in case of side impact. It easily adjusts with one hand simultaneously with the 5-point harness, adapting to the child's various growth stages.
- The 5-point harness helps distribute the forces of an impact proportionally in case of an accident, two on the shoulders, two on the hips, and one between the legs.
- In both directions, there are 6 recline positions available, including a more reclined one ideal for newborns.
- The anti-rebound bar of the Dualfix PRO seat is smaller than in previous versions and models from other brands, thus offering more legroom for the child.
- Isofix installation is now also easier, thanks to independent connectors, meaning they can be installed one after the other into the car's anchor points.
- The support leg provides stability and minimizes seat movement. It has a visual indicator that shows whether the seat is correctly installed.
Specifications of the Britax Romer Dualfix PRO Car Seat:
Rearward-facing: 40 cm - 105 cm height or 19 kg weight
Forward-facing: 76 cm height and 15 months old - 105 cm or 19 kg weight
Weight: 13.7 kg
Dimensions: 48-60 x 44 x 74 cm (height x width x depth)
Approval: UN R129/03 (i-Size)
Instruction manual
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Why order from us at Bonabebe ❤- With us, you will receive specialized human support before, during, and after purchase
- Child road safety techniques
- Safest products on the European market for babies
- Babywearing consultants
- Local business
- Women-owned
- LGBTQ+ friendly
360º Rotation
Once placed on the Vario 5Z Isofix Base (sold separately), the Dualfix 5Z i-Size rotates 360º for rear-facing travel from 61 cm up to 105 cm (recommended) or, if desired, it can be turned forward-facing from 76 cm and 15 months of age. We recommend using the Dualfix 5Z rear-facing for the entire use of the car seat, as this orientation provides the best protection for the cervical vertebrae and head in the event of a frontal collision, the most frequent type of accident on the roads. In addition, the Dualfix 5Z rotates 90º to both sides to place and adjust the harness to the child from the open car door and can rotate in any recline position it is in.Maximum comfort for the child
Reclines in six positions, both rear and forward-facing. The rebound bar can be adjusted by 8º to better adapt to the car seat and offer up to 10% more legroom.
Increased side protection
The soft, padded side wings act as a protective shield that helps absorb the force of a side impact, thus reducing the risk of injury to the child.
5-point harness with neoprene pads
The child is secured with the five-point harness, both rear and forward-facing, which, in the event of a collision, distributes the impact force among the five attachment points: two at the shoulders, two at the hips, and one at the central buckle located between the legs.
The Dualfix 5Z Vario 5Z Isofix Base is installed with ISOFIX and a support leg. Compatible with any vehicle seat. Base sold separately here.
Isofix with Pivot Link
The ISOFIX connectors feature the Pivot Link system, patented by Britax Römer, which initially directs the impact force downwards, pushing the seat against the vehicle seat and absorbing energy, then continuing forward more smoothly. This reduces the risk of head and neck injuries.
The Vario 5Z Isofix Base is compatible with Baby-Safe PRO, Baby-Safe 3 i-Size, Baby-Safe Core and Dualfix 5z.
Removable textile
Both the textile and the chest pads can be easily removed for machine washing, without removing the harness.
- With us, you will have specialized human support before, during, and after purchase.
- Child road safety techniques.
- The safest products on the European market for babies.
- Babywearing consultants.
- Local business.
- Women-owned.
- LGBTQ+ friendly.
360º Rotation
Once installed on the Vario 5Z Isofix Base (sold separately), the Dualfix 5Z i-Size rotates 360º for rear-facing travel from 61 cm to 105 cm (recommended) or, if desired, it can be turned forward-facing from 76 cm and 15 months of age. We recommend using the Dualfix 5Z rear-facing for the entire use of the seat, as this orientation provides the best protection for the cervical vertebrae and head in the event of a frontal collision, the most common type of accident on the roads. In addition, the Dualfix 5Z rotates 90º to both sides to place and adjust the harness to the child from the open car door and can rotate in any recline position it is in.Maximum comfort for the child
It reclines in six positions both rear-facing and forward-facing. The anti-rebound bar can be adjusted by 8º to better adapt to the car seat and offer up to 10% more legroom.
Increased side protection
The soft, padded side wings act as a protective shield that helps absorb the force of a side impact, thereby reducing the risk of injury to the child.
5-point harness with neoprene pads
The child is secured with the five-point harness both rear-facing and forward-facing, which, in the event of a collision, distributes the impact force among the five attachment points: two at the shoulders, two at the hips, and one at the central buckle located between the legs.
Secure installation
The Dualfix 5Z's Vario 5Z Isofix Base installs with ISOFIX and a support leg. Compatible with any vehicle seat. Base sold separately here.
Isofix with Pivot Link
The ISOFIX connectors feature the Britax Römer patented Pivot Link system, which initially directs the impact force downwards, pushing the seat against the vehicle seat and absorbing energy, then moving forward more gently. This reduces the risk of head and neck injuries.
Modular base system
The Vario 5Z Isofix Base is compatible with Baby-Safe PRO, Baby-Safe 3 i-Size, Baby-Safe Core, and Dualfix 5z.
Removable fabric
Both the fabric and the chest pads are easily removable for machine washing, without having to remove the harness.
- With us, you will have specialized human support before, during, and after the purchase
- Child road safety techniques
- Safest products on the European market for babies
- Babywearing consultants
- Local business
- Women-owned
- LGBTQ+ friendly
360º Rotation
Once placed on the Vario 5Z Isofix Base (sold separately), the Dualfix 5Z i-Size rotates 360º to travel rearward-facing from 61 cm up to 105 cm (recommended), or if you wish, it can be turned forward-facing from 76 cm and 15 months of age. We recommend using the Dualfix 5Z rearward-facing for the entire use of the car seat, as this orientation best protects the cervical vertebrae and head in the event of a frontal collision, the most frequent type of accident on roads. In addition, the Dualfix 5Z rotates 90º to both sides to place and adjust the harness for the child from the open car door and can rotate in any recline position.Maximum comfort for the child
Reclines in six positions, both rearward and forward-facing. The rebound bar can be adjusted by 8º to better adapt to the car seat and offer up to 10% more legroom.
Increased side protection
The soft, padded side wings act as a protective shield that helps absorb the force of a side impact, thereby reducing the risk of injury to the child.
5-point harness with neoprene pads
The child is secured with the five-point harness both rearward and forward-facing, which, in the event of a collision, distributes the impact force among the five attachment points: two on the shoulders, two on the hips, and one on the central buckle located between the legs.
Safe installation
The Dualfix 5Z's Vario 5Z Isofix Base is installed with ISOFIX and a support leg. Compatible with any vehicle seat. Base sold separately here.
Isofix with Pivot Link
The ISOFIX connectors feature the Britax Römer patented Pivot Link system, which initially directs the impact force downwards, pushing the seat against the vehicle seat and absorbing energy, then continuing to move forward more smoothly. This reduces the risk of head and neck injuries.
Modular base system
The Vario 5Z Isofix Base is compatible with the Baby-Safe PRO, Baby-Safe 3 i-Size, Baby-Safe Core, and Dualfix 5z.
Removable textile
Both the textile and the chest pads are easily removed for machine washing, without removing the harness.
- With us, you will have specialized human support before, during, and after purchase
- Child road safety techniques
- Safest products on the European market for babies
- Babywearing consultants
- Local business
- Women-owned
- LGBTQ+ friendly
360º Rotation
Once placed on the Vario 5Z Isofix Base (sold separately), the Dualfix 5Z i-Size rotates 360º for rearward-facing travel from 61 cm to 105 cm (recommended) or, if desired, it can be turned forward-facing from 76 cm and 15 months of age. We recommend using the Dualfix 5Z rearward-facing for the entire use of the seat, as this orientation can best protect the cervical vertebrae and head in the event of a frontal collision, the most frequent type of accident on the roads. In addition, the Dualfix 5Z rotates 90º to both sides to place and adjust the harness to the child from the open car door and can rotate in any recline position it is in.Maximum comfort for the child
It reclines in six positions, both rearward and forward-facing. The anti-rebound bar can be adjusted by 8º to better adapt to the car seat and offer up to 10% more legroom.
Greater side protection
The soft, padded side wings act as a protective shield that helps absorb the force of a side impact, thus reducing the risk of injury to the child.
5-point harness with neoprene pads
The child is secured with the five-point harness, both rearward and forward-facing, which, in the event of a collision, distributes the impact force between the five attachment points: two at the shoulders, two at the hips, and one at the central buckle located between the legs.
Secure installation
The Vario 5Z Isofix Base for the Dualfix 5Z is installed with ISOFIX and a support leg. Compatible with any vehicle seat. Base sold separately here.
Isofix with Pivot Link
The ISOFIX connectors feature the Britax Römer patented Pivot Link system, which initially directs the force of the impact downwards, pushing the seat against the vehicle seat and absorbing energy, before then moving forward more smoothly. This reduces the risk of head and neck injuries.
Modular base system
The Vario 5Z Isofix Base is compatible with Baby-Safe PRO, Baby-Safe 3 i-Size, Baby-Safe Core, and Dualfix 5z.
Removable textile
Both the textile and the chest pads are easily removed for machine washing, without removing the harness.
- With us, you will have specialized human support before, during, and after the purchase
- Child road safety techniques
- Safest products on the European market for babies
- Babywearing consultants
- Local business
- Women-owned
- LGBTQ+ friendly
360º Rotation
Once placed on the Vario 5Z Isofix Base (sold separately), the Dualfix 5Z i-Size rotates 360º for rear-facing travel from 61 cm to 105 cm (recommended) or, if desired, can be turned forward-facing from 76 cm and 15 months of age. We recommend using the Dualfix 5Z rear-facing for the entire use of the seat, as this orientation best protects the cervical vertebrae and head in the event of a frontal collision, the most frequent type of accident on roads. Furthermore, the Dualfix 5Z rotates 90º to both sides to place and adjust the harness for the child from the open car door and can rotate in any recline position.Maximum comfort for the child
It reclines in six positions, both rear and forward-facing. The rebound bar can be adjusted by 8º to better adapt to the car seat and offer up to 10% more legroom.
Greater side protection
The soft, padded side wings act as a protective shield that helps absorb the force of a side impact, thereby reducing the risk of injury to the child.
5-point harness with neoprene pads
The child is secured with the five-point harness both rear and forward-facing, which, in the event of a collision, distributes the impact force among the five attachment points: two at the shoulders, two at the hips, and one at the central buckle located between the legs.
Safe installation
The Dualfix 5Z's Vario 5Z Isofix Base is installed with ISOFIX and a support leg. Compatible with any vehicle seat. Base sold separately here.
Isofix with Pivot Link
The ISOFIX connectors feature the Pivot Link system, patented by Britax Römer, which initially directs the impact force downwards, pushing the seat against the vehicle seat and absorbing energy, then continuing forward more gently. This reduces the risk of head and neck injuries.
Modular base system
The Vario 5Z Isofix Base is compatible with Baby-Safe PRO, Baby-Safe 3 i-Size, Baby-Safe Core, and Dualfix 5z.
Removable fabric
Both the fabric and the chest pads can be easily removed for machine washing, without removing the harness.
- With us, you will have specialized human support before, during, and after purchase
- Child road safety techniques
- The safest products on the European market for babies
- Babywearing consultants
- Local business
- Women-owned
- LGBTQ+ friendly
360º Rotation
Once placed on the Vario 5Z Isofix Base (sold separately), the Dualfix 5Z i-Size rotates 360º for rearward-facing travel from 61 cm up to 105 cm (recommended) or, if desired, it can be turned forward-facing from 76 cm and 15 months of age. We recommend using the Dualfix 5Z rearward-facing for the entire use of the car seat, as this orientation best protects the cervical vertebrae and head in the event of a frontal collision, the most frequent type of accident on roads. Additionally, the Dualfix 5Z rotates 90º to both sides to place and adjust the harness to the child from the open car door and can rotate in any recline position it is in.Maximum comfort for the child
It reclines in six positions, both rearward and forward-facing. The rebound bar can be adjusted by 8º to better adapt to the car's seat and offer up to 10% more legroom.
Increased side protection
The soft, padded side wings act as a protective shield that helps absorb the force of a side impact, thereby reducing the risk of injury to the child.
5-point harness with neoprene pads
The child is secured with the five-point harness both rearward and forward-facing, which, in the event of a collision, distributes the impact force among the five attachment points: two on the shoulders, two on the hips, and one on the central buckle located between the legs.
Safe Installation
The Dualfix 5Z's Vario 5Z Isofix Base is installed with ISOFIX and a support leg. Compatible with any vehicle seat. Base sold separately here.
Isofix with Pivot Link
The ISOFIX connectors feature the Pivot Link system, patented by Britax Römer, which initially directs the impact force downwards, pushing the car seat against the vehicle seat and absorbing energy, before then moving forward more smoothly. This reduces the risk of head and neck injuries.
Modular base system
The Vario 5Z Isofix Base is compatible with Baby-Safe PRO, Baby-Safe 3 i-Size, Baby-Safe Core, and Dualfix 5z.
Removable fabric
Both the fabric and the chest pads are easily removable for machine washing, without needing to remove the harness.
- With us, you will have specialized human support before, during, and after your purchase
- Child road safety techniques
- Safest products on the European market for babies
- Babywearing consultants
- Local business
- Women-owned
- LGBTQ+ friendly
360º Rotation
Once placed on the Vario 5Z Isofix Base (sold separately), the Dualfix 5Z i-Size rotates 360º for rear-facing travel from 61 cm up to 105 cm (recommended) or, if desired, can be turned forward-facing from 76 cm and 15 months of age. We recommend using the Dualfix 5Z rear-facing for the entire use of the car seat, as this orientation best protects the cervical vertebrae and head in the event of a frontal collision, the most common type of accident on the roads. Additionally, the Dualfix 5Z rotates 90º to both sides to place and adjust the harness for the child from the open car door and can rotate in any recline position it is in.Maximum comfort for the child
Reclines in six positions, both rear-facing and forward-facing. The rebound bar can be adjusted by 8º to better adapt to the car seat and offer up to 10% more legroom.
Enhanced side protection
The soft, padded side wings act as a protective shield that helps absorb the force of a side impact, thereby reducing the risk of injury to the child.
5-point harness with neoprene pads
The child is secured with the five-point harness both rear-facing and forward-facing, which, in the event of a collision, distributes the force of the impact among the five attachment points: two at the shoulders, two at the hips, and one at the central buckle located between the legs.
Secure installation
The Dualfix 5Z's Vario 5Z Isofix Base is installed with ISOFIX and a support leg. Compatible with any vehicle seat. Base sold separately here.
Isofix with Pivot Link
The ISOFIX connectors feature the Pivot Link system, patented by Britax Römer, which initially directs the impact force downwards, pushing the car seat against the vehicle seat and absorbing energy, then continuing forward more gently. This reduces the risk of head and neck injuries.
Modular base system
The Vario 5Z Isofix Base is compatible with Baby-Safe PRO, Baby-Safe 3 i-Size, Baby-Safe Core, and Dualfix 5z.
Removable fabric
Both the fabric and the chest pads can be easily removed for machine washing, without removing the harness.
- With us, you will have specialized human support before, during, and after purchase
- Child road safety techniques
- Safest products on the European market for babies
- Babywearing consultants
- Local business
- Women-owned
- LGBTQ+ friendly
360º Rotation
Once placed on the Vario 5Z Isofix Base (sold separately), the Dualfix 5Z i-Size rotates 360º for rear-facing travel from 61 cm up to 105 cm (recommended) or, if desired, can be turned forward-facing from 76 cm and 15 months of age. We recommend using the Dualfix 5Z rear-facing for the entire use of the car seat, as this orientation best protects the cervical vertebrae and head in case of a frontal collision, the most frequent type of accident on roads. Additionally, the Dualfix 5Z rotates 90º to both sides to place and adjust the harness to the child from the open car door and can rotate in any recline position it is in.Maximum comfort for the child
Reclines in six positions, both rear and forward-facing. The rebound bar can be adjusted by 8º to better adapt to the car seat and offer up to 10% more legroom.
Enhanced side protection
The soft, padded side wings act as a protective shield that helps absorb the force of a side impact, thereby reducing the risk of injury to the child.
5-point harness with neoprene pads
The child is secured with the five-point harness, both rear and forward-facing, which, in the event of a collision, distributes the force of the impact among the five attachment points: two at the shoulders, two at the hips, and one at the central buckle located between the legs.
The Dualfix 5Z's Vario 5Z Isofix Base is installed with ISOFIX and a support leg. Compatible with any vehicle seat. Base sold separately here.
Isofix with Pivot Link
The ISOFIX connectors feature the Pivot Link system, patented by Britax Römer, which initially directs the impact force downwards, pushing the car seat against the vehicle seat and absorbing energy, then continuing forward more gently. This reduces the risk of head and neck injuries.
The Vario 5Z Isofix Base is compatible with Baby-Safe PRO, Baby-Safe 3 i-Size, Baby-Safe Core, and Dualfix 5z.
Removable textile
Both the textile and the chest pads can be easily removed for machine washing, without removing the harness.
- With us, you will have specialized human support before, during, and after purchase.
- Child road safety techniques
- The safest products on the European market for babies
- Babywearing consultants
- Local business
- Women-owned
- LGBTQ+ friendly
✅ From 15 months to 12 years
✅ From 76cm to 150cm
✅ Isofix Installation
✅ Approval: R129 (i-Size)
The Advansafix PRO car seat is adaptable, suitable for children from 15 months old and 76 cm tall up to 150 cm (approx. 12 years), approved under safety standard R129 (i-Size). It always travels forward-facing, and the transition from the five-point harness (76-105 cm or 22 kg) to the three-point seat belt with SecureGuard (100-150 cm) is quick and easy with the FLIP&GROW system.
76-105 cm or 22 kg: 5-point harness
From 76 cm and 15 months up to 105 cm tall or 22 kg in weight (whichever comes first), the child is secured in the car seat with a five-point harness, which distributes impact forces at five points: two on the shoulders, two on the hips, and one on the buckle located between the legs. The harness pads reduce the child's movement in case of a collision, in addition to providing greater comfort for the harness. In this stage, the car seat is installed using Isofix and a top-tether.
100-150 cm: seat belt with SecureGuard
From 100 cm in height (and no later than 105 cm or 22 kg), the child is restrained directly with the car's three-point seat belt, in combination with SecureGuard. This piece adds a fourth anchor point to the belt to keep the lap section correctly positioned over the pelvic area, preventing it from dangerously riding up to the abdomen. It helps reduce forces on the abdomen by up to 35% in case of a frontal impact. In this stage, the car seat is installed using Isofix.
When it's time to transition from the harness to the seat belt, it will be much easier thanks to the FLIP&GROW function. Simply press a button to unlock the headrest and adjust it to the required height, and store the harness (without removing the chest pads) in the back of the backrest, behind the cover, so it doesn't get lost. Then, move the FLIP&GROW adjustment plate, rotate it to position the SecureGuard over the car seat, and the transition is complete.
Other features of the Britax Romer Advansafix PRO car seat:
- Includes XP-PAD cushion for use with the car seat belt to protect the neck
- Side Impact Cushion Technology (SICT)
- 3 recline levels
- V-shaped headrest
- Independent Isofix arms
- Removable and machine-washable cover
- At just 44 cm wide, it allows you to install 3 car seats in the rear of the car
Dimensions: 60-83 x 44 x 48
Weight: 10 kg
Approval: UN R129/03
- With us, you will have specialized human support before, during, and after your purchase
- Child road safety techniques
- The safest products on the European market for babies
- Babywearing consultants
- Local business
- Women-owned
- LGBTQ+ friendly
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