Special Nonexistent Furniture
Part #: S852900
SKU #: BRX1301

Britax B-Ready Stroller Second Seat


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Arrives for Christmas to Seattle, WA 02108 (Change)


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  • Stroller second seat
  • Easily converts B-Ready stroller to an in-line double in seconds
  • 4-position seat recline
  • Large canopy with ventilation window
  • Multiple-position recline, large canopy
  • Stroller folds with second child seat attached
  • 5 point harness with 3 harness heights
  • Built in seat suspension
  • Suitable from birth / up to 35 lbs
  • 1 Year manufacturer's warranty
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  • Overall Height - Top to Bottom: 22.5 Inches
  • Overall Width - Side to Side: 18 Inches
  • Overall Depth - Front to Back: 23 Inches
  • Overall Product Weight: 6 Pounds

Weights & Dimensions

  • Overall Height - Top to Bottom: 22.5 Inches
  • Overall Width - Side to Side: 18 Inches
  • Overall Depth - Front to Back: 23 Inches
  • Overall Product Weight: 6 Pounds


Product Type: Additional seatColor: 1: Black
Color: 2: GreenColor: 3: Pink
Color: 4: SilverGender: Boy; Girl
Country of Manufacture: China 
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When you buy a Britax B-Ready Stroller Second Seat online from Wayfair, we make it as easy as possible for you to find out when your product will be delivered. You can check on a delivery estimate for the Britax Part #: S852900 here. If you have any questions about your purchase or any other Stroller Accessories product for sale our customer service representatives are available to help.Whether you just want to buy a Britax B-Ready Stroller Second Seat or shop for your entire home, Wayfair has a zillion things home.

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Customer Reviews

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Average Overall Rating:
(based on 16 reviews)

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Very Satisfied

 from LA– Verified Buyer

I knew exactly what I was looking for and this is what I wanted. It's working out fine and I'm very satisfied.

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Nice Product

 from United States– Verified Buyer

Good to have compact double stroller by britax. b ready stroller with extensions for infant car seat and second seat is great

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0 out of 1 people found this review helpful

Britax Second Seat

 from Saint Onge, SD– Verified Buyer

We ordered a couple of Britax items. This second seat arrived fine and worked out very well for us. No complaints on this item.

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Love it!

 from Mooresville, NC

Great addition to my B Ready! My daughter loves riding in it! Easy to attach and use! It does make the unit a little heavy but not too bad.

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B-Ready Second Seat

 from Sacramento

This is super easy to put on and is a great size. I have had a phil & ted's and the seat was very narrow and small. This has plenty of space for your child and additionally reclines quite far. The canopy is sufficient and it's awesome how you can fold the stroller with this still attached. Very easy, worth the money!

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Buy it now

 from Grand Island, NE– Verified Buyer

Bought the stroller for my grandson but purchased the extra seat for the next grandchild. Comes in a box of its own so can store easily until needed.

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Serves its purpose

 from liberty hill, TX– Verified Buyer– Top 1000 Reviewer

Great seat, just not executed well, or maybe I am just not a fan of the set-up. With the second seat on this stroller you totally lose your basket and the child in the second seat has to put their feet in the basket.

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Perfect fit, looks great

 from Boston, MA– Verified Buyer

My niece loved the single-seat stroller, and now that she's got a little sister we needed additional space. This thing plugs right in and voila, instant second seat!

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Love it

 from Ottawa, ON– Verified Buyer

Love the added functionality of our B-Ready stroller with this attachment. My three month old was very comfortable in the lower seat. Stroller handles easily and folds easily with the second seat attached.

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Great convertible stroller!

 from dallas, texas– Verified Buyer

Love how it can be easily converted to a double stroller or a single so you can get the most use out of the stroller! Easy to push, gets alot of compliments. Wish the tires were air-filled instead of plastic. But overall, great stroller!

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