Can I Use the RockyMounts MachTen Roof Bike Rack with My Bike Tray Mounts on My RalliTEK Roof Rack?  

Question:

Expert Reply:

Hello William,

Thanks for the details. I understand what you’re trying to do. You have the Backwoods Adventure Mods universal bike tray mounts on your RalliTEK roof rack, and since each mount has about a 4-inch-wide slot, you’re looking for a bike rack that lets you bolt through both slots instead of relying on a single mounting point.

The RockyMounts MachTen # RKY97MR unfortunately won’t work well for that. It mounts using clamp-style hardware that wraps around a crossbar and doesn’t have dual base rail slots meant for bolting to a tray or track-style mount. Because of that, there isn’t a slot spacing that can line up with your 4-inch mounts, even though your RalliTEK rack itself uses T-slotted crossbars. That means you’d be stuck with a single attachment point instead of the solid, two-point mount you’re aiming for.

A better option for your setup would be the Yakima HighRoad Roof Bike Rack # Y22DJ. This rack is designed specifically for channel or track mounting and uses two adjustable T-bolts that slide in the crossbar slot. That adjustability lets you position both mounting points within your 4-inch tray mount spacing, so you can bolt it down through both slots on your Backwoods mounts. This gives you a much more secure, stable install that’s well-suited for a RalliTEK rack, as long as your crossbars are the standard extruded T-slot style, which they typically are.

What kind of bikes are you hauling? Do you have a specific trail you like to ride? We have the Katy Trail here in Missouri and it is always packed with riders, maybe lacking a few in the winter months. Have you ever heard of the BT Epic bike race? I got to work our tent there this last year, and am definitely looking forward to working it again this year! Maybe 2027 will be my year to be a rider =)

expert reply by: Kate F

0

William R.

2/10/2026

Thanks for the response, but there is a picture of this rack mounted directly to a similar system (Was able to mount to a Kuat Ibex truck bed rack---This comment and picture is listed on the page). Is there rail mount hardware I can order or do I need to find my own. I think this rack is exactly what I'm looking for and will work perfectly with the correct rail screws/bolts, etc.

Kate F.

2/11/2026

@WilliamR I see the review you are talking about, but he also had to make modifications to the rack and had to acquire hardware somewhere else. I cannot suggest the modification of the items that we sell as it will void your warranty. Lucky for me I have Rocky Mounts here today at etailer, I will talk to the guys today to see if they know of a way that you can use it on the Rallitek roof rack with their rack =) I will let you know what I find out.

Kate F.

2/13/2026

@WilliamR I spoke with the team and showed them the mounts you’re considering. They let me know that setup won’t work with the RalliTEK. The only way to make it fit would be through a fully custom DIY installation, which would void your warranty. If you’re planning to keep the rack long term, investing a bit more in the Kuat may be worthwhile. I recently met a customer who has owned her Kuat rack for 23 years. When one of the arms finally broke, Kuat not only replaced the broken arm but also sent the matching arm for the other side so they would match. That level of customer support really stood out. I see this rack on the mounts you showed me Kuat Piston SR Roof Bike Rack for 1 Bike - Wheel Mount - Aluminum # KU32VR. This one will work because it is not fixed mounting points. I’m not saying Kuat is necessarily better than RockyMounts, but since using the RockyMounts setup would void your warranty, I wanted to make sure you had all the information before making a decision.