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Your cart is empty.This is the part needed to connect a Schwinn or InStep trailer to your bike. It is called a coupler, but it acts like a trailer hitch for your bicycle. It allows a trailer to be connected and reconnected on a daily basis without tools. All trailers usually come with the coupler that works with that trailer, but it can be helpful to have an extra installed on additional adult bikes, so different riders can take turns pulling. The installation requires the removal of the nut that bolts on the rear wheel. Once it is on you will be able to hitch and unhitch the bike before or after a ride easily. Comes with three parts; coupler plate, lock washer and a locking pin. The 25-SAO75 model coupler fits Schwinn and Instep trailers manufactured after October 25, 2016 (AF). If your trailer was made before, 10/25/16 look for part number 25-SA074A to be compatible with your trailer. If you are not sure of the date of manufacture of the trailer, look for a date code on the tow bar of the trailer usually on a sticker. Look for a #2 stamped in the metal of the tow bar to confirm that it was made after 10/25/16.
C.Silva
July 23, 2025
It was super easy to install, fit prefect and was what we needed for our bike trailer. Definitely would buy again if we need one. We got the trailer from a friend but she forgot to give us that piece. She realized after when she trashed the bikes it was still on it. We just guessed and ordered this one and it works amazing and fits like a glove.
Mitch
July 16, 2025
Perfect match to my hitch water to have a hitch for each bike and this is the best price I could find and they are of same quality as the original
Brett
June 29, 2025
I needed to buy only this part for my pull-behind for my kid after my bike was stolen and this attachment was of course still on the bike. I was so pleased to see that it was readily available on Amazon, and for a good price. So far it has been keeping with my expectations, so I don't see any reason to not give it the full 5 stars. Its not like I expected it to come with a free bike or anything...
Joel Diebolt
June 5, 2025
Easy to sort out for our bike trailer. Super easy to install. So far 3 weeks of use and is in excellent shape. Highly recommend. Will be buying another one for my wife's bike.
Jade
May 25, 2025
It does what it's supposed to do.A bit expensive in my opinion. But I'll buy it again if I need to because it's strong and fits my bike 100%.Edit: had a little issue (I misplaced one of the pieces) and contacted support. They were responsive, kind and went above and beyond. I am so positively shocked by how great our conversation went...100% recommended.
C. S.
May 19, 2025
Perfect for our InStep bike trailer. Appears the exact same as original.
Francis Murphy
May 14, 2025
An exact copy of the original. if you have two bikes and want to swap the trailer from bike to bike, this is the coupler for you...
Stephen
April 22, 2025
I bought a used Instep bike trailer/jogger. I’m new to this whole thing so I didn’t realize until I was attempting to attach it to my bike that it was missing this piece. Very grateful I was able to buy this piece quickly and affordably.Depending on how much we use the bike trailer we might buy a second, this piece gets left on the bike so having one on both parents bikes you’d be able to switch who was towing in seconds.
Steven
April 14, 2025
As a bike enthusiast and parent, the Coupler Attachments for Instep and Schwinn Bike Trailers have become an indispensable accessory for our family bike adventures, earning a glowing 5-star review! These flat couplers have proven to be the perfect solution for hassle-free and secure connections between our bicycles and bike trailers.The versatility of these couplers is remarkable. They are designed to fit a wide range of bicycle sizes, models, and styles, making them compatible with various bikes in our family fleet. Whether it's a Schwinn or an Instep trailer, these coupler attachments provide a reliable and stable connection to any bike.The installation process was straightforward. The flat coupler attaches easily to the rear axle of the bike, and the included hardware ensures a snug and secure fit. Once installed, it stays in place without any wobbling or looseness during our rides.One standout feature is the quick-release functionality. The coupler allows us to attach and detach the bike trailer swiftly and effortlessly. This convenience is especially valuable when we switch between using the trailer and riding solo.The coupler attachments are built to last. The robust construction ensures durability and reliability, even when faced with the bumps and jolts of off-road trails. We have used them extensively, and they have held up exceptionally well.The flat design of the couplers ensures they are unobtrusive when not in use. They do not interfere with our biking experience, allowing us to ride freely without any hindrance.Safety is always a top priority when riding with our kids, and these couplers provide peace of mind. The secure connection between the bike and the trailer ensures a stable and safe ride for our little passengers.The black color of the couplers adds a touch of style, complementing our bikes without drawing too much attention.In conclusion, the Coupler Attachments for Instep and Schwinn Bike Trailers are a game-changer for our family bike adventures. Their versatility, ease of installation, quick-release functionality, durability, and safety features make them an essential accessory for any bike owner with a trailer. Enjoy convenient and worry-free bike rides with the Coupler Attachments for Instep and Schwinn Bike Trailers!
Amron
March 29, 2025
After a year of pulling approximately 100 lbs averaging over once a month, I found I needed to add strength to the hitch as it began bending. I first made a prototype gusset out of 4ct building tie down straps (~ 3/16"T total) then went to a solid metal flat bar 1-1/4"W.I cut 5"L and rounding corners. I drilled 2ct 13/32" holes for the axle and hitch hub mount. A stainless steel 3/8"d x 3/4"L bolt with lock washer to mount hitch in which I also cut out for the key way washer that comes with the hitch using a metal cutting saw blade.A # 8 stainless steel 3/4"L bolt to mount as security to the bike frame tail drilled @ 3/16".4ct #6 s.s. 3/4"L bolts (2ct top & 2ct bottom) of the hitch drilled @ 5/32" using cobalt drill bits to drill through the bar as also the 5/32" hitch holes (using a metal punch to start the bits cleanly while hub bolted and clamped at center top). Titanium bits can work but have a tendency to break. Keep the bits oil cooled while drilling.Being that I know the hitch is not for industrial use as I use it, for children involved, the gusset is the way to go for added safety. I recently ordered another hitch and again, extremely pleased with the fast shipping. Nevertheless, for the design I give it five stars.
Biker
February 26, 2025
Calidad
LordMaul
January 16, 2025
4 stars because expensive for what you get. But super easy to install. My bike has a quick release for the back tire (no bolts), and this worked. The item has little dimples that will perfectly sink into another washer (it comes with it) to help prevent the coupler from rotating. there is also a little notch that comes out that further prevents the coupler from rotating. You will need to find a spot on your frame where the notch can rest into. The manual recommenced a location that is non existent on most bikes. But that is ok, you can simply place the extended notch in the area where your rear axel would normally slide into the frame, the completely preventing the coupler from rotating during a bike ride. I know it may be confusing and it is hard to explain, but bottom line is the coupler works on any bikes and is solid, it will not rotate during a bike ride.
CLAUDIA
November 24, 2024
Mi pieza me llegó antes de tiempo, la calidad es buena y le quedó perfecta a mi bicicleta, lo recomiendo ampliamente
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