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Dummy axle lets you transport 1 bike with a standard fork mount on the RockyMounts DriveShaft HM thru-axle bike rack for truck beds. Has 9-mm skewer for bikes with quick-release front wheels. Also serves as replacement axle for DriveShaft SD.
Features:
Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.
Evangeline: Hi, it's Evangeline from etrailer.com and today we are looking at our 9mm Dummy Axle to work in conjunction with our RockyMounts DriveShaft rack truck bed bike rack. Now this will work if you need to mount a fourth axle bike, and you also want to use this pretty cool bike mount. This works with thru-axles. And with this adapter, you'll be able to mount your fork mount bikes as well.So here, we'll lift this up to release the top. And then right here, we're entering our adapter. Make sure it's in place and then close it over it.
We'll put this lever on top and close it down. Now you can tighten or loosen the lever. There, that's a good fit right there. This also locks in place with a key, so it's pretty cool because then you can keep your bike protected and locked to your truck.After removing your front wheel, you can bring your bike in and into the adapter right there. Okay, so...
With the bike in place, you can then tighten it up, not too tight, but just try to find a good balance to where it's tight right there, enough to lock it in place with this lever right over here. So you can exert just enough force. That seems pretty good. And your bike is sturdy into your mount.Here on our test course, we'll start by going through the slalom. This is going to show us the side-to-side action, which simulates turning corners or evasive maneuvers.
Once we get to the alternating speed bumps, we'll see the twisting action. This will simulate hitting a curb or a pothole or driving over uneven pavement. Now, lastly, we're going over some full speed bumps and we can see here the up and down action. And this will just be like driving in and out of a parking lot, garage, or a driveway. So we can see here how the bike rack moves with our truck.
And that's going to do it for a look at our RockyMounts 9mm Dummy Axle..
Ratings & Reviews

John W.
5/15/2021
very well
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Chuck P.
5/26/2021
Best Rack mount I have ever purchased. I strongly recommend this product. I ride nearly every week and this is my go to mount. Awesome!