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Curt 4 Bike Rack Review

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Review of the Curt 4 Bike Rack

Today we'll be taking a look at the Curt hitch-mounted 4 bike rack for inch and 1/4 and 2-inch hitches, part number C18030. It's also available on a 2 bike rack, part number C18029. This hitch-mounted bike rack will allow you to carry up to 4 bikes on the back of your vehicle. It's perfect for cars, trucks, SUVs, or vans. The dual arms are going to provide great support for our bikes, they secure our bikes with 3 points of contact. We've got 2 straps for our top tube, and the one down here around our seat post tube is our anti-sway strap. It's going to help prevent bike-to-bike contact, as well as bike to vehicle contact.

The cradles themselves will slide and rotate to accommodate bikes of various sizes. They also feature grooves to accommodate brake cables and lines. With our last bike removed, I can show you how the arms fold down. This will be ideal for pulling into garage, or in a tight parking spot. This is also a great opportunity to show you that we can tilt the bike rack out to gain better access to our rear hatch. Simply pull the clip, pull the pin, rest it out.

As you can see, we've got plenty of room to remove any cargo, gear, groceries. Anything we might have with us on our trip. Here in the back, the built-in rung allows us to add some security to our bikes. Curt makes a cable lock, and that's part number C23666. For more stability, it includes an anti-rattle hitch pin. It also includes a stabilization strap for 1 1/4 or after-market hitches.

It's made out of a steel construction with a rust-resistant black powder coat finish, and it has a weight capacity of 180 pounds. It's the perfect addition to your Curt inch and 1/4, or 2-inch hitch. Now that we've gone over the features, I'll go ahead and show you how to get it installed. We are working with a 2-inch receiver tube here today, so we've got our included adapter installed on our shank. If we we're just working with an 1 1/4 receiver, we would have to use the included support strap. Since we're not, let's go ahead and get started.

We'll just feed it into our receiver tube, and line up our pin holes. We'll take our included anti-rattle bolt and clip, and thread that through. Once we get that hand-tightened, we can actually take our included tool and finish tightening down. Now that it's tight, we'll put on our clip. Now in preparation for loading up our bikes, we'll need to raise up the dual arms. We can do that by unclipping the pin up here, and pulling it out. We'll raise it up, and reinsert the pin. Now let's undo our straps. We'll bring in our bike, we'll work our way to the back. Once our bike's in place, if we need to adjust our cradle so they fit nicely up against our frame, we can do so. We'll run our top one first, and then we can do our one here. This one's going to be our anti-sway strap. We can do our other top one here. I've gone ahead and loaded up 3 more bikes. Some bikes, such as women's, children's, and bikes with alternative frame styles, may require the use of a bike adapter bar to sit evenly on the cradles. Curt makes one, and that's part number C18016. Let's go ahead and take it out on our test course and see how it performs. Let's start with the slalom. This shows side-to-side action, such as turning corners, or evasive maneuvering. Onto our alternating speed bumps. This shows twisting action such as hitting curbs, potholes, road debris, or uneven pavement. Last of all, the solid speed bumps. This shows up and down action such as driving through a parking lot, or parking garage, or driving in and out of a driveway. That's going to complete our look at the Curt hitch-mounted 4 bike rack for inch and 1/4, or 2-inch hitches, part number C18030.

Ann R.


I just purchased a Curt bike rack #18030. I have a womens bike and am trying to figure out how to attach it to the rack. Your video shows attaching a man's bike but not a womens. The brand of bike is Giant. Could you explain how to attach. Thank you

Etrailer Expert

Jon G.


It sounds like you may need a bike adapter bar. These are used when there isn't enough space for the arms to fit under the top tube or if you have a bike frame with more of a step-thru frame. It isn't an uncommon thing for a women's bike to need a bike adapter bar to be able to work with a hanging style bike rack. Here is a link to our selection of adapter bars. Just be sure that the span it will fit matches your bike frame.

Arlene P.


I purchased this 4 bike bike rack and am utilizing the 2 inch hitch adapter but the rack still wiggles and does not seem very tight even using the atni sway screw. Is it supposed to be loose?

Etrailer Expert

Jon G.


How much play are you seeing? Is it pretty excessive or just a little bit? The anti-rattle should take out most of the play but it is more of a cost-effective rack so some of the better bike racks will be a lot more effective. Attached is a video of the Curt # C18030 out on the test course. If your bike rack performs the same then you've installed it correctly. If it has more play then you might need to tighten down the anti-rattle bolt some more.

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