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Coupler Attachment - InStep & Schwinn Bike Trailers

4.8 out of 5 stars 1,094 customer reviews
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Was: $9.29
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  • Coupler attaches an Instep or Schwinn Trailer to almost any bike
  • Made for use with all Schwinn and Instep trailer models that accommodate two children
  • With an additional coupler attachment, both Mom and Dad's bikes can be outfitted to tow the kids at a moment's notice
  • Bring little ones along for family bonding time during your workouts, while demonstrating how fun fit lifestyle can be
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Frequently Bought Together

  • Coupler Attachment - InStep & Schwinn Bike Trailers
  • +
  • InStep Take 2 Double Bicycle Trailer
Total price: $108.42
Buy the selected items together

Technical Details


Product Description

Product Description

Take your little ones on an outdoor adventure quickly and easily by using this InStep/Schwinn InStep coupler. No more switching couplers back and forth. This bike trailer coupler by InSteap offers easy and hassle-free installation for your Instep or Schwinn bicycle trailer to almost any model of bicycle. This InStep/Schwinn Bike Trailer Coupler is ready for use with any InStep/Schwinn trailer that accommodates 2 children.\n\n

Amazon.com

InStep creates award-winning strollers and trailers that let you bring the little ones along for family bonding time during your workouts, while demonstrating how fun a fit lifestyle can be.

The Bicycle Trailer Coupler attaches an Instep or Schwinn Trailer to almost any bike. It's made for use with all Schwinn and Instep trailer models that accommodate two children, and purchasing an additional coupler attachment means both Mom and Dad's bikes can be outfitted to tow the kids at a moment's notice.


Product Details

  • Product Dimensions: 3.8 x 3 x 1 inches ; 4 ounces
  • Shipping Weight: 1.6 ounces (View shipping rates and policies)
  • Domestic Shipping: Item can be shipped within U.S.
  • International Shipping: This item can be shipped to select countries outside of the U.S. Learn More
  • Origin: China
  • ASIN: B0013TR66I
  • Item model number: 25-SA074A
  • Average Customer Review: 4.8 out of 5 stars  See all reviews (1,094 customer reviews)
  • Amazon Best Sellers Rank: #93 in Sports & Outdoors (See Top 100 in Sports & Outdoors)

Customer Questions & Answers

Customer Reviews

Top Customer Reviews

Verified Purchase
I found this out the hard way. I have a Giant road bike, and my wife has a Schwinn cruiser. The Schwinn has enough room on the dropouts to mount this as expected. But on most newer model road and mountain bikes, you will have to check that you have enough room in the dropouts to actually mount this coupler. In my case, the chain stay and the seat stay tubes come together to form a very small dropout, and so there is not enough room for the big round coupler to mount between the skewer and the dropout.
I was forced to fabricate my own adapter from an angle bracket.
If you are handy and have the tools available you will be able to do this work yourself, otherwise I would recommend finding a different coupler.
What really drives me up a wall here is that after I ran into this issue I began researching online for others who may have had this problem. And I could find forum posts as far back as 2005 of people who have had this same issue. Its been 8 years and still the company has made no effort to alter their design.
I will post pictures of what I did in the Customer images section.
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Verified Purchase
This part is identical to the hitch couplings that come with the InStep trailers other than it is a gloss black instead of a more matte black finish. One thing not mentioned in the product description is that this incudes not only the coupler and pin (as pictured) but also the special "washer" that mounts behind the hitch to keep it horizontal.

Often a concern or issue with the cheaper trailers is if they will properly mount to more "high end" bikes. The garden variety mass market retailer bikes (i.e. the cheaper ones) usually have a horizontal dropout for the rear axle where the more expensive bikes will have a vertical dropout for the axle. The hitches are designed with mass market retailer bikes (horizontal dropouts) in mind.

These hitches will work on either. With vertical dropouts rather than following the directions provided, you must instead position the tab that sticks off the back of the washer so that it will rest against the bottom of the frame instead of within the dropout as they are designed.

My wife an I each have one of these hitches on our Raleigh Route 4.0 hybrids (that have a vertical dropouts) and they work just fine. The hitches are also completely compatible with "quick release" style hubs.
5 Comments 126 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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Verified Purchase
Beware this coupler does not fit a modern bike frame with smaller drop outs and quick release pins. Major modifications such as cutting and grinding would weaken the overall coupler to the point where I would not trust its integrity enough to tow a trailer with my kids in. Instead I returned the product and swapped the entire hitch assembly on my Schwinn Joyrider trailer to the standard smaller hitch common to other trailer manufacturers. Big disappointment considering the rest of Schwinn's design is well thought through.
4 Comments 10 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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Verified Purchase
Bought this coupler for a second bike. The bike trailer only comes with one coupler, since they take a little work to get on the bike, I decided to get a second one, so that I wouldn't have to interchange the coupler every time I wanted to change up the bike pulling the trailer. This has worked great, it saves me a lot of time and hassle. Now I can attach the trailer to which ever bike works best and go. Very easy to assemble on to the bike, once there, nothing more needs to be done. Its not in the way either when not in use.
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I bought this so we could pull our child trailer with both mine or my wive's bike. Takes only a small adjustable wrench to install. The lock pin U-clip is very firm. Best part of this setup is the child trailer will not tip over if you dump your bike.
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Verified Purchase
Was able to mount this coupler to my Specialized mountain bike in a matter of minutes. It's easy to mount both to the bike and to the bike carrier. I will be ordering another one soon for my wife's bike.
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Verified Purchase
This part was so much smaller than I pictured! It fits perfectly (where it's supposed to).
The part is advertised for Instep and Schwinn- our trailer is InStep, but we do not have Schwinn bikes (my husband and I both have TREK bikes), and there was no problem using it.
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Verified Purchase
I purchased this to use for our Schwinn Toddler Trailer on my personal Cruiser and it works beautifully. Installation was a breeze, like the other one. Holds the trailer well and I have zero complaints, so far.
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