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Coupler Hitch Attachments for Instep and Schwinn Bike Trailers, Flat and Angled Couplers for a Wide Range of Bicycle Carriers, Trailer Sizes, Models, and Styles

4.7 4.7 out of 5 stars 8,768 ratings

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Flat Coupler

Purchase options and add-ons

Brand Schwinn
Color Black
Item Weight 0.24 Pounds
Seating Capacity 1

About this item

  • Coupler attaches an InStep or Schwinn trailer made before 11/2/16 to a bike
  • Comes with lock washer, coupler plate, and locking pin
  • Compatible with Schwinn and InStep brand Trailers
  • Trailers made after 11/2/2016 will use coupler part number 25-SA075
  • Sport type: Training

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From the manufacturer

schwinn, trailers, couplers, bike trailers

Schwinn and InStep Bike Trailer Coupler

This is the part that you need to connect your Schwinn or InStep trailer to your bike. It is called a coupler, but it acts like a trailer hitch for your bicycle. It allows for a trailer to be connected and reconnected on a daily basis without tools.

All trailers come with a coupler but it can be helpful to have spare installed on additional adult bikes, so riders can take turns pulling.

The installation requires the removal of the nut the bolts on the rear wheel. Once it is on you will be able to hitch and unhitch the trailer without tools. Comes with three parts; coupler plate, lock washer and a locking security pin.

Use This Guide To Select The Right Coupler For Your Schwinn Or Instep Trailer

How to install a coupler on a rear bike wheel

schwinn, bikes, bicycles

An American Icon

Founded in 1895 in Chicago, Illinois, the Schwinn mission has been to develop bicycles that allow people to experience the confidence and freedom that comes from riding a bike.

Over the last century, the bicycles, designs, and riders have evolved, but our commitment to the Schwinn mission has remained strong. Schwinn is excited to be on this journey with you.

As we continue to build upon our heritage of being America’s most loved bicycle brand; we look forward to another century of sharing our bicycles with explorers of all ages. You can trust that you have our continued dedication to the quality and innovation that has become synonymous with the Schwinn name.

Let’s go!

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Coupler

Coupler Hitch Attachments for Instep and Schwinn Bike Trailers, Flat and Angled Couplers for a Wide Range of Bicycle Carriers, Trailer Sizes, Models, and Styles


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Customer reviews

4.7 out of 5 stars
4.7 out of 5
8,768 global ratings

Customers say

Customers like the value, quality, fit, ease of switching, and ease of installation of the bike trailer hitch. They mention that it's very inexpensive, reliable, and works well. They also appreciate the versatility and ease-of-swapping functionality of the adapter. Overall, customers recommend this product for its affordability and ease to install.

AI-generated from the text of customer reviews

758 customers mention742 positive16 negative

Customers are satisfied with the performance of the trailer bike hitch. They say it works great, saves time, and hassle. Some say that it's sturdy and does well with their trailer. Overall, most are happy with their purchase and recommend it to others.

"...Anyway, besides that, its easy to install, sturdy, and works great. I used it on a 29" Trek Xcaliber mountain bike and it fit like a charm." Read more

"Works good and just what I needed." Read more

"This trailer bike hitch works just fine...." Read more

"This is perfect quality, perfect piece that attaches your matching type of trailer to your bike...." Read more

441 customers mention429 positive12 negative

Customers find the installation process of the adapter to be easy. They mention that it hooks up just like the original and is well built.

"...Anyway, besides that, its easy to install, sturdy, and works great. I used it on a 29" Trek Xcaliber mountain bike and it fit like a charm." Read more

"...Their versatility, ease of installation, quick-release functionality, durability, and safety features make them an essential accessory for any bike..." Read more

"...on my e-bike to make it work, but after that was great and easy to finish the install...." Read more

"...Only took about 5 minutes to install and carrier can be transferred between bikes in minutes too!" Read more

270 customers mention229 positive41 negative

Customers like the fit of the bike trailer coupler. For example, they say it fits perfectly, is much safer, and secure, and works for any bike trailer. Customers also appreciate the versatility, ease of installation, quick-release functionality, and that it works well on different bikes.

"...I used it on a 29" Trek Xcaliber mountain bike and it fit like a charm." Read more

"...Their versatility, ease of installation, quick-release functionality, durability, and safety features make them an essential accessory for any bike..." Read more

"...trailer measures 1 1/128"-1 1/64" with a digital caliper, and this fits perfectly" Read more

"...This way either of us can pull the trailer. Fits great and feels very strong." Read more

220 customers mention210 positive10 negative

Customers are satisfied with the quality of the coupler. They mention that it is reliable, solid, and has not bent or broken. The coupler is also compatible with quick release style hubs.

"...Anyway, besides that, its easy to install, sturdy, and works great. I used it on a 29" Trek Xcaliber mountain bike and it fit like a charm." Read more

"...Their versatility, ease of installation, quick-release functionality, durability, and safety features make them an essential accessory for any bike..." Read more

"...Tows the little trailer the dogs ride in just fine. Strong and well made. I would buy it again if the need came up." Read more

"This is perfect quality, perfect piece that attaches your matching type of trailer to your bike...." Read more

119 customers mention108 positive11 negative

Customers find the value of the coupler to be very inexpensive and a good investment. They say it's easy to find and install on each bike they own. Customers also mention that the shipping was half the price.

"This was a great replacement. Received fairly quickly. The price was reasonable!" Read more

"...It is certainly worth the small cost for the convienece that this provides!" Read more

"I was glad to find this product was such a good price here on Amazon...." Read more

"Great price for a second coupler. Exactly like the original that came with the instep trailer...." Read more

46 customers mention46 positive0 negative

Customers find the trailer hitch easy to switch from bike to bike. They say it works great and makes it easy to swap back and forth. Customers also mention that it's much easier than changing the coupler from bike-to-bike every time they take their son out. They also say the couple on their bike makes it super easy to shift who pulls the kids.

"...we leave 1 full adapter and pin on each bike, so it's easy to switch from bicycle to bicycle...." Read more

"Mounted on a second bike, so it's quick and easy to switch the trailer between bikes...." Read more

"...What a time saver, no more switching the whole set up if my wife were to take the kids that day while I am at work...." Read more

"...It's perfect switching out the shuttle from one bike to another! Thanks" Read more

33 customers mention29 positive4 negative

Customers like the ease of use of the coupler attachments. They mention that it makes life easy, is a time saver, and is convenient. Some say that the price is a little overpriced, but the time saved is worth it.

"...Enjoy convenient and worry-free bike rides with the Coupler Attachments for Instep and Schwinn Bike Trailers!" Read more

"...This makes life so easy, with a quick pull on the locking latch and pull the pin we can..." Read more

"...This adapter has made my life much easier, and we can both go on bike riding adventures now with the kids whenever we want!..." Read more

"...What a time saver, no more switching the whole set up if my wife were to take the kids that day while I am at work...." Read more

31 customers mention31 positive0 negative

Customers find the bike trailer easy to remove. They mention that the quick release pin makes trailer attachment and removal a snap.

"...Their versatility, ease of installation, quick-release functionality, durability, and safety features make them an essential accessory for any bike..." Read more

"...It's extremely simple to initially put on, and easy to detach/attach the carrier...." Read more

"...It holds strong and connects or disconnects easier than Burley hitches...." Read more

"...It is essentially a quick release for the bike trailer...." Read more

Choose the one that looks like it will work with your trailer.
5 Stars
Choose the one that looks like it will work with your trailer.
I got an instep Kiddo trailer 2nd hand and it didn't come with the coupler.I looked at the diagram here, and I talked to 2 different people from instep, and they both suggested the flat coupler based on the model and date code information on the trailer. I really didn't get it, because the trailer arm obviously comes in at a 45 degree angle to the bike, not 90 degrees.So i disregarded the advice of the people i talked to, and ignored the pictures on this listing telling you how to choose the right coupler and just got the angled one. It worked out perfectly. I still don't understand in what world the straight one would be a better choice for this trailer. Maybe mine is a fluke, or maybe I'm not using it right, but ive got on 2 decent rides and it works great. I would have had to bend the spring quite a bit to get it into a flat coupler.Anyway, besides that, its easy to install, sturdy, and works great. I used it on a 29" Trek Xcaliber mountain bike and it fit like a charm.
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Top reviews from the United States

Reviewed in the United States on January 17, 2021
Style: Angled CouplerVerified Purchase
Customer image
5.0 out of 5 stars Choose the one that looks like it will work with your trailer.
Reviewed in the United States on January 17, 2021
I got an instep Kiddo trailer 2nd hand and it didn't come with the coupler.

I looked at the diagram here, and I talked to 2 different people from instep, and they both suggested the flat coupler based on the model and date code information on the trailer. I really didn't get it, because the trailer arm obviously comes in at a 45 degree angle to the bike, not 90 degrees.

So i disregarded the advice of the people i talked to, and ignored the pictures on this listing telling you how to choose the right coupler and just got the angled one. It worked out perfectly. I still don't understand in what world the straight one would be a better choice for this trailer. Maybe mine is a fluke, or maybe I'm not using it right, but ive got on 2 decent rides and it works great. I would have had to bend the spring quite a bit to get it into a flat coupler.

Anyway, besides that, its easy to install, sturdy, and works great. I used it on a 29" Trek Xcaliber mountain bike and it fit like a charm.
Images in this review
Customer image Customer image
Customer imageCustomer image
19 people found this helpful
Report
Reviewed in the United States on November 7, 2023
Style: Flat CouplerVerified Purchase
Reviewed in the United States on August 3, 2023
Style: Flat CouplerVerified Purchase
Reviewed in the United States on May 20, 2022
Style: Angled CouplerVerified Purchase
Reviewed in the United States on August 1, 2016
Style: Flat CouplerVerified Purchase
Reviewed in the United States on March 14, 2024
Style: Angled CouplerVerified Purchase
Reviewed in the United States on July 24, 2023
Style: Flat CouplerVerified Purchase
Reviewed in the United States on November 14, 2023
Style: Flat CouplerVerified Purchase

Top reviews from other countries

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Biker
5.0 out of 5 stars Precio
Reviewed in Mexico on August 18, 2023
Style: Flat CouplerVerified Purchase
Jessica
5.0 out of 5 stars Great product
Reviewed in Canada on August 24, 2022
Style: Angled CouplerVerified Purchase
C.Silva
5.0 out of 5 stars Great product
Reviewed in Canada on August 11, 2021
Style: Flat CouplerVerified Purchase
Nickers_T
5.0 out of 5 stars Good hitch for an ebike
Reviewed in the United Kingdom on March 27, 2021
Style: Angled CouplerVerified Purchase
Mitch
5.0 out of 5 stars Fits my swhinn bike trailer
Reviewed in Canada on July 18, 2022
Style: Flat CouplerVerified Purchase