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Built for e-bikes, fat tires, and mountain rigs, the MonoRail carries up to 60 lbs per bike—120 lbs total—without flex or sway. The steel and aluminum frame with black powder coat keeps strength high and corrosion low, while the 2" shank fits snugly with its threaded anti-rattle hitch pin. At 38 lbs, it’s solid but manageable, giving your heavier bikes a secure ride every time.
The ratcheting arms secure bikes by the front wheels, keeping carbon frames and custom finishes free of contact. With pivoting rear cradles and ratcheting straps (including extenders for fat tires up to 5"), bikes stay locked in tight without pressure on the frame. It’s a clean hold that works across different wheelbases up to 48", so every setup loads safely and evenly.
Grabbing your gear shouldn’t mean unloading your bikes. The front-mounted release lever tilts the MonoRail down—loaded or empty—to open the rear cargo area. Flip the same lever up, and the rack folds compactly against the vehicle for parking or storage. It’s a small touch that makes a big difference mid-trip or in tight spaces.
The MonoRail comes ready to lock down your investment. A keyed-alike cable lock secures both bikes, while the hitch lock snaps over the pin to keep the rack itself safe. One key handles both points, making it quick to secure or remove everything when you’re done riding.
When another rider joins the crew, the MonoRail grows with you. Add the optional 1-bike extension (sold separately) to carry a third bike without swapping racks. The modular setup keeps your system streamlined, whether it’s a solo trip or a full-family ride day.
Customer Satisfaction Score:
98% were satisfied with this product
2% of customers were not satisfied
Ratings & Reviews
Gwendolyn Y.
7/23/2025
Thanks for sharing the photos, Eric! It’s really helpful to know that you can still open the tailgate with the rack installed. That’s something a lot of people ask about, so I’ll definitely keep this one in mind for future questions.
Gwendolyn Y.
7/23/2025
Mark-indianapolis
5/10/2022
Have had this product for a year now and I stand by my earlier review. By far one of the best if not the best bike rack on the market. We drove from Indianapolis to Upstate New York last fall and the rack performed great. Would recommend this product to anyone.
Rick
2/13/2019
working out great. Had issue with partial melt of one of the shepards hook melting due to proximity to my car exhaust. Able to get new part from manufacturer, repositioned hook, and all has been well since
Allen
5/19/2022
I really like the Rockymounts Monorail 2 but I also have a slight problem with it as well. But the problem that I have is going to go will all hitch type racks. The problem that I have is with the backup sensors so I bought the 53201 Curt Auxiliary LED Indicator Lights and some magnets top attach it to the rack. If I were to say anything is that I think all bike racks should come with something to plug to prevent the sensors from going off. there then that the rack is gray and I have had no problems with it at all. This is a great rack for the money.
George
5/1/2023
Perfect 10
Mark
8/26/2025
Works GREAT!! eBikes stay secure w minimal movement. Highly recommend!!
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Christopher H.
9/17/2026
Really appreciate all of the detail here and thanks for the photo Billy!