Surly MDS/Gnot-Boost Thru-Axle for Kid Trailer – 12×142/148
$ 58.00
This axle is specific for Surly MDS or Gnot Boost bikes with 12×142 or 12×148 hub spacing.
The derailleur end of our axle is internally threaded and will use the bolt from your stock Surly axle. The disc brake side of our axle has a permanently attached mount that has an external M10x1 thread and includes the hardware to attach any kid trailer hitch to this axle.
Robert Axles for Kid Trailers are designed specifically to fit your 12mm thru-axle bike and allow attachment of any hitch-mounted trailer. These fit any trailer that has two wheels and a single point of attachment to the axle. This includes all the two-wheeled child, pet and cargo trailers such as: Thule, Chariot, Burley, Instep, Carry Freedom, and many more.
Purchase our Kid Trailer axle for your bike. Share your stoke for cycling with your kids. Simplify your life by allowing quick and secure attachment of your trailer to your best and favorite bike. Enjoy the adventure.
Description
This axle is compatible with Surly bikes that have the MDS or Gnot Boost axle system and 12×142 or 12×148 hub spacing.
Since 2013, we have been an important part of cyclists’ adventures all over the world. Our axles have millions of miles on them in mountain bikes and road bikes, carbon bikes, fat bikes and e-bikes. Our axles are specifically designed to handle the high-torque loads generated by e-bikes.
Your stock thru-axle is not strong enough to haul your precious cargo! Our axles are 3 to 4 times stronger than the stock axle that came with your bike. Our stainless steel axle ends provide a safe and secure attachment point of the hitch to the axle. The axle is quick to install and remove with a common 5mm hex key.
Our axles are not just designed in the USA, but are made here as well. They are machined by avid cyclists to the tightest standards in the industry. We safety test, to failure, every batch of axles we produce to ensure they exceed your expectations.
WARNING: This product can expose you to chemicals including nickel acetate, which is known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov.
Additional information
Weight | 0.3125 lbs |
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Ted Forgeron (verified owner) –
This axle works perfectly with the new 2018 Surly Midnight Special Road Plus bike! I use it to pull a variety of Burley trailers (kid and cargo).
Darin (verified owner) –
I ordered this axle for my MDS Karate Monkey to pull my Burly Bee trailer.
The quality of the axle is impressive, and it bolted into my frame without any trouble.
It is heavier than the stock Surly axle, but that’s reassuring when I’m pulling my kid in the trailer. It also feels much more secure than the quick release set up I was using before.
Andrew (verified owner) –
Just what I needed for towing a Burley kid trailer behind my ’17 Surly Krampus. The axle provides plenty of clearance between the hitch and the dropout shoulders to run the axle anywhere along the horizontal dropout. I love that bolting the axle into the dropout and bolting the hitch to the axle are done with separate fasteners – huge improvement compared to the QR axle setup I was running on a different bike. Been using it daily for a few weeks now with zero issues.
Josie Paruolo (verified owner) –
I have a Surly Karate Monkey and have pulled a burley child chariot for quite a few miles on bumpy dirt roads. Without this axle I don’t know what we would have done. It provides the clearance needed to attach the hitch provided by burley. Thank you so much! Couldn’t be happier with my purchase.
Jakub @ Bikepacking Nomads (verified owner) –
Works perfect on my Surly Karate Monkey 2017! The price of the axle and the shipping to Czech republic is worth and also it reached us surprisingly fast! Thanks for that!
Stephen Phillips (verified owner) –
So happy with this! Really filled a need for me. I have a Surly Midnight Special and wanted to be able to hook up a kid trailer. Without this I’m not sure how I would have done it. High-quality, nicely finished, fit perfectly.
Jesus Pacheco (verified owner) –
Worked perfectly on my 2021 Krampus pulling an old Chariot Cougar double trailer.
Ewan Nurse (verified owner) –
Easy to install, works great
Mike (verified owner) –
Excellent product! Works really well with our double trailer. Easy to install and use.
jonne reijonen (verified owner) –
Quick delivery to Finland and great extremely quick customer service provided, when I needed the invoice for customs clearance. Gret job and thanks!
Mike Brown (verified owner) –
Great product, worked perfectly on my surly midnight special.
Stan –
Works as advertised on my 2022 Surly Ghost Grappler towing a Chariot cx2. Good quality axle. Thanks.
Bart (verified owner) –
Lighting fast shipping and the axle works like a charm, my 2023 Karate Monkey tows my Burly DLite anywhere I want. Off road, singletrack, grocery runs, anything is possible, so my son, my dog and myself are very happy customers!
Jared (verified owner) –
Works great on my Surly Midnight Special pulling a Burley D‘lite X.
Brian (verified owner) –
Works perfectly to fit Thule Chariot trailer on my Midnight Special, thank you!
John –
This worked great with my 2022 Surly Ghost Grappler. I mounted the standard Burly hitch to it which works great. My wheel still turns! Along with the two I’m now pulling.
Ryan (verified owner) –
Works perfect with my Surly Karate Monkey. Simple. Does exactly what its supposed to do.
It is the axel only, you need to reuse the bolt for tightening the thru axel to the frame.
Matt McCourtney (verified owner) –
Works Great on my Surly Krampus towing a kid trailer. Easy to install, simple to use…. Thanks for the solid product!
Jeremy (verified owner) –
Bought this axle for a Karate Monkey to pull a Thule chariot. It is a perfect fit. Highly recommend going this route instead of finding a Thule axle for the same purpose.
Anthony Whittley (verified owner) –
Outstanding customer service. Quickly answered my questions regarding fit. Shipping was fast. This axle fit perfectly on my Surly Skid Loader.