Britax Roundabout 55 Convertible Car Seat in Onyx

by Britax
Today: $173.99
Out of Stock

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ITEM# 13928236
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ITEM#: 13928236

  • Integrated steel bars strengthen the connection to the vehicle and reduce forward flexing of the child seat
  • Patented, energy-absorbing versa-tether features a staged-release tether webbing to slow the forward movement
  • Two-point attachment to minimize forward rotation while anchoring the top of the child seat
  • Side impact protection comprised of deep side walls lined with energy absorbing EPP foam
  • Tangle-free, 5-point harness distributes crash forces across the strongest parts of the body and provides a secure fit
  • Rear and forward facing recline for child comfort and positioning
  • High density comfort foam provides an extra layer of padding to gently cushion your child
  • Two buckle positions for your growing child
  • Infant positioning insert may be necessary for small infants to achieve a snug fit of the harness around your child (sold separately)
  • Premium lower LATCH connectors for a quick and simple installation featuring a push button for easy release
  • Built-in lock-offs ensure a snug lap and shoulder belt installation with minimal effort
  • Anti-slip, contoured base grips and protects the vehicle seat while offering optimum vehicle fit
  • Convenient harness holders keep harness straps out of the way when placing your child in the car seat
  • Rear Facing: 5 pounds to 40 pounds
  • Forward Facing: 1 year old and 20 pounds to 55 pounds or up to 46 inches tall
  • Dimensions: 19.5 inches long x 18.5 inches wide x 26 inches high


Material Stainless Steel
Weight Capacity Up to 40 lbs.
Dimensions See Details
Warranty 1 year Limited Manufacturer
Model Number E9LJ11A
Country of Origin United States

Product Reviews

5 Stars
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1 Stars
  • Most Recent

  • Its ok...ish

    This seat is ok. Not one of Britax best seats. I would spend the extra money and get one of the more padded and better made seats. The Advocate or Pavilion. This one is going back. Sorry.

    Read More
  • car seat
    Verified Purchase

    I feel much safer using this car seat. Had another brand and grandson prefers this one and so do I.

    Read More

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Our standard shipping method is ground shipping. We also offer expedited shipping for most items. Your final shipping cost and estimated delivery timeframe will be available at checkout.
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Items must be returned in new or unused condition and contain all original materials included with the shipment. More Details

FINAL SALE EXCLUSION: Items marked as FINAL SALE are not returnable unless the problem you experience is the result of our error.

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** Most Oversize orders are delivered within 1-4 weeks. Some orders may take 6 weeks to be delivered.