Bike Rack Materials and Finishes

29 Apr.,2024

 

Bike Rack Materials and Finishes

A great bike rack will both match your vision and be incredibly durable. With numerous material, finish and color combinations available, we are sure that we have the right product to meet your aesthetic and project needs.

Are you interested in learning more about creative pipe bike racks supplier? Contact us today to secure an expert consultation!

Use the information on this page to review the materials & finishes Madrax offers, along with insights and warranty information to help decide on the best options for you.

Bike Rack Materials

With any bike rack you might select, it is likely it will be manufactured using some type of steel.

This is an ideal material to use as it offers the most resistance to cutting and bending, at an affordable price point. We could make bike racks out of titanium. But no one would pay that much. And bending it would be quite difficult. 

But when it comes to the type of steel the bike rack is constructed of, one key thing to be aware of is if it is tubing or pipe. 

 

Tubing vs. Pipe

 

Tubing is commonly used for structural purposes, making it the preferred material for manufacturing bike racks.

Tubing size is specified by the outside diameter (OD) and the wall thickness and is stated as a gauge. The lower the gauge, the thicker the tubing. The thicker the tube, the more difficult it is to cut through or bend. 

As a reference, Madrax typically uses 10-gauge tubing on its bike racks. 

So really what you’ll be deciding on is the size of the tube or OD.

For example, you might see a bike rack, like the Madrax U190, that is constructed of 1 7/8” diameter carbon steel tube. For comparison, the U238 is constructed with 2-3/8” diameter carbon steel tube.

The thickness of the tube is the same on both. But the tube on the U238 is larger.

 

Alternatively, a pipe is a tubular vessel commonly used in pipeline and piping systems for transporting gases or fluids. Although, some bike rack manufacturers do use pipe as their selected material.

Pipe is specified by the Nominal Pipe Size and Schedule (the wall thickness). The higher the number, the thicker the wall.

Pipe is also softer than tubing. The finish has a visual difference as well.

However, because of its structural characteristics, Madrax uses and recommends tubing for bike racks that have a tube as part of its design. 

 

Other Steel Types

 

Other types of steel you could encounter, depending on the bike rack design, could be carbon steel round bar.

An example of this can be seen in the Madrax Shark Bike Rack. 

 

This type of steel is used in bike racks to create a thinner profile as compared to a tube. It is still incredibly tough to cut or bend.

Another type might be carbon steel flat bar. Like what is seen in the Stout Bike Rack.

 

Again, this type of steel is used to give bike racks a unique look compared to tube. But it is still incredibly durable and resists cutting and bending.

 

Bike Rack Finishes

 

The next key factor in choosing the right bike rack is to select the most appropriate finish. The finishes you will most likely have to choose from are: 

Galvanized

 

Withstanding the elements with little to no maintenance, galvanized products are durable and weather to a battleship grey. After the rack is fabricated, it is hot-dipped galvanized for a utility finish.

Madrax products with this finish are denoted with a -G. Exmple: U24-SF-G

 

The item of note for this finish, the product will have vent holes. These allow draining after the metal has been hot dipped in molten zinc. Which gives the material its durable properties.

A galvanized product is an economical choice that resists rust. Galvanized will also have a slightly rougher texture than other finishes.

 

Maintenance

There is no regular maintenance required with galvanized steel. After years in service, it may begin to rust.

Surface rust is not a structural issue. The rack will only need to be replaced when rust has worn all the way through the tube.

 

Typical Warranty: 5 Years 

 

Stainless Steel

 

Stainless steel is one of the most resilient finishes making it the choice for bike racks installed in locations with salty ocean air and other tough environmental conditions.

Crafted from stainless steel and polished to a rich, Satin #4 finish, these racks are a highly durable and attractive option that will last through decades of use. 

Madrax uses a Grade 304 stainless steel for its bike racks as the standard option. Bike racks made with Grade 316 stainless steel is an available option but must be requested through a sales rep.  

Madrax products with a stainless steel finish are denoted with a -S. Example: ORN-2-SF-S

 

Maintenance 

This finish requires little to no maintenance. It should be advised that precautions be taken to ensure no chemicals are used to cure or treat the concrete or sidewalk area near the bike racks. 

As this could affect the finish.

If this must be done, remove the racks or wait until the concrete work is finished before mounting the bike racks. 

 

Typical Warranty: 5 Years 

 

Electropolished Stainless Steel

 

Much like the stainless steel finish, electro polished stainless steel lends decades of durability to bike racks.

To achieve this sleek and polished look, electro polished stainless steel racks are finished by being dipped into an electro-chemical bath that removes mill scale impurities and adds a high level of shine. 

Madrax products with this finish are denoted with an -ES. Example: ORN-SF-ES

Bike racks with this finish require no maintenance. But precautions should be taken so the bike rack does not encounter other chemicals.

 

Typical Warranty: 5 Years

 

Black Vinyl Cushion Coating

 

Black vinyl cushion coating is a protective finish that is common on bike racks. The bike rack is coated with PVC to achieve a rubbery finish.

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This is used as an added cushion to protect bicycles from potentially being dented or scratched by the bicycle rack. 

Most often, only the portion where a bike rack would rest or contact the bike rack would be finished with black vinyl cushion coating. It’s unlikely an entire rack would be finished in this material. 

The default color for this finish is black. Other colors are available upon request.

 

Typical Warranty: 1 Year

 

Powder Coat Finishes

For a smooth finish and a refined appearance, select one of our Powder Coats for your product. To ensure powder coat adhesion, the steel for this finish must be free of any scale, paint, varnish, or rust. We prepare the substrate prior to powder coating with a chemical wash and rinse followed by an iron phosphate treatment. See available colors below.

 

Super TGIC Powder Coat

 

For applications where the bike rack will be installed outdoors, Super TGIC Powder Coat is a preferred option as it will fade significantly less from UV light than other finishes.

This finish is how color is applied to bike racks, but also helps keep the rack’s color vivid longer. 

Madrax products with this finish are denoted with a -P. Example: U238-SF-P

The super polyester powder coating finish is electrostatically applied 5-6mm thick after the bike rack has been fabricated.

Most manufacturers will offer a set of standard colors. Madrax has 22 to choose from. 

 

Maintenance 

The primary concerns to be aware of with powder-coated bike racks are scratches.

A scratch that goes deep enough through the powder coat and into the metal, can expose the rack to rusting. 

If a scratch appears, applying touch up paint from the manufacturer can address this issue.

It’s also advised to remove any debris or snow from remaining in contact with the bike rack finish. They could cause unnecessary wear. 

 

Typical Warranty: 1 Year

 

Thermoplastic 

Powder Coat

 

Thermoplastic Powder Coat has a slightly thicker application and gives bicycles more protections from dents and scratches with a lightly cushioned finish. 

Bike racks are powder coated after fabrication with the thermoplastic polyethylene coating, which gives the product a soft and protective quality.

This thicker application does limit some of the bike racks it can be applied. Racks that have designs with small corners can be difficult to get proper coverage. So this may not be an option in every instance.

The same maintenance recommendations apply as Super TGIC Powder Coat. But because of the thicker application, an occasional inspection is recommended to ensure the finish isn't peeling due to picking or scratching.

Thermoplastic powder coat is available in a limited color selection. 

 

Typical Warranty: 1 Year

 

Powder Coated Stainless Steel

 

Constructed with stainless steel, powder-coated stainless steel racks are highly durable due to the anti-corrosive property of the steel and added layer of protection from the powder coat. 

With this finish, the bike racks are polished and then coated with an electrostatically applied super TGIC polyester powder.

 

Typical Warranty: 5 Years

 

Powder Coat Colors

Standard Hardshell Powder Coat™ colors are shown. Contact us at 608-849-1080 or at [email protected] for additional available custom finishes.

*Due to variations in monitors, colors shown may not be an exact match. Please request color samples from Madrax for accurate color comparisons.

Bike Racks that 

Combat

 R

ust

When it comes down to it, many people just want to know what finish is going to be the most durable and combat rust the longest.

Galvanized is incredibly durable and usually the lowest priced finish making it a common choice. This is inherently rust-resistant and can last for many years. Scratching would really be the only concern. As scratches in the finish can accelerate rusting.

Powder coat would be on par with galvanized. But it offers the ability to color the bike rack.

For salty environments, like coastal regions or where salt would be spread during the winter, a stainless steel finish will hold up the best. It’s also much more resistant to scratching compared to galvanized.

It’s not common to go with a powder-coated stainless steel finish, but this would provide the greatest amount of protection for the bike rack from rusting.

Ultimately, it comes down to a combination of budget and visual preference. Galvanized is a great “stock” options, where powder coat can add color and stainless steel has a distinctive and very appealing look.

The Perfect Bike Rack Setup - Points Unknown

We’ve updated our bike rack system – Click Here to Check out the Latest on our Ultimate Vertical Bike and Ski Rack

But there is still some good information in this post – so feel free to come back, once you’ve read that one. 🙂

The pickup truck with tailgate pad, meeting the gold standard of shuttle vehicles – 5 people, 5 bikes.

I’ve been looking for the best bike rack solution for a long time and have tried most of the options on the market. What I have finally come to, like so many things, is that you get what you pay for. My perfect bike rack setup is not inexpensive, but it is so easy to use it’s worth it. My criteria for a bike rack system was three fold:

  1. Must be able to securely carry a minimum of 5 bikes. Biking with friends is always more fun.
  2. Must maintain access to the back (trunk) of the vehicle. Crawling over the back seat is not always more fun.
  3. Must hold the bikes by the wheels only. I am tired of racks that rub the paint off the frame.

When I had a pickup truck, this was easy. Just get a tailgate pad  and you’re good to go. But once the pickup truck was replaced by a van, things got a little trickier. And even with the pickup truck, with five bikes in the back there was little room for much else (maybe it would have been better if I had a full size pickup). I puzzled on this for several years, trying various things that I wasn’t super happy with, but ultimately came to a setup that is awesome!

This is my perfect bike rack setup:

The Equipment

Swingarm:  The RakAttach allows easy access to the back of my van by allowing the rack to swing out of the way. At first I was concerned this was going to be hard to do, given the quick pin and the latch you have to undo, but you get used to it really quickly and now it only takes a second to swing out. the swingarm that RakAttach makes is extremely strong, I’ve looked at a couple other suppliers of these and really no one else is making something this robust. I have zero concern about the rack performing with five all mountain bikes hanging from it.

The RakAttach swingarm is really smartly put together including the extremely stout pivot, latching system and quick pin. The pin is great for dropping in and aligning the swingarm before latching. It allows you to get the swingarm in the ideal position to make this process easy. The pin also locks the swingarm in the swung outward position, to keep it from attacking you, should you be parked at a funny angle. The RakAttach also has this great elastomer type wear material fastened to the bottom (fixed) portion of the swingarm. This makes it so that when the pivot is latched there is a a flat surface along nearly the entire length of the pivoting arm for it to rest on. I’m sure without this there would be a lot more play in the system. As it is, there is virtually none. Using a wearing surface for this is brilliant, so you don’t have metal to metal contact. Like I said, the swingarm is very well put together.

Bike rack: After debating for a long time about building my own hitch rack, I am so glad I finally decided to purchase the Recon Rack. Its really just so much better than anything I could have put together on my own. There are a bunch of competing bike racks in this style, such as the North Shore rack and Lolo Racks – and these are great options. But I think the Recon Rack is better. For one thing, it’s the only rack of its kind that meets criteria #3, only holding the bike by its wheels. This may not be a big deal to some, but it annoyed me to have the paint rubbed off on my bikes top or bottom tube without a good riding/crash story to justify it. Also, the Recon Rack is super stout, definitely overbuilt, but also confidence inspiring. Finally, the Recon Rack is extremely easy to use, once you get the hang of lifting the bike and tilting the handlebar to fit the wheel basket (which I admit does take some getting used to) it’s a breeze to load and unload bikes.

The Recon Rack shipped to me (from Bellingham, Washington, so not far) in just a few days in a big heavy box, but assembly was very straightforward. Everything on the Recon Rack is top notch. The welds are perfect, the rack powder coating is excellent, and the whole rack put together looks really cool.

The Bad

Nothing is completely perfect I suppose, so I do have a short list of “cons” to my setup:

  1. The rack setup with the rack attach sticks out farther from my vehicle than I would like. Unfortunately, I just couldn’t get the holes to line up in the position that would be closest to the vehicle. The van is big enough as it is, so having things stick out farther than needed on the back is a bit of a drag.
  2. The Recon’s wheel baskets wont hold anything larger than a 3.0 tire. This works for all my current bikes, but might be problematic in the future.
  3. Because of how the bike sits in the rack, the front wheels tend to get rubbed wrong in the trays – especially over long distances. This can lead to damage to front tires.
  4. Its really expensive, but like I said when I introduced this topic; you get what you pay for.

Overall I am extremely satisfied with my ultimate bike rack setup. When I am using it, I don’t think about the expense or the alternatives, I just think about the trails ahead.

Full disclosure: I have received no money, credits, discounts or anything else from the makers of these rack systems. I am just a fan that wanted to share my experience.

Update 4/2/2017: I was told I needed to add more pictures of the pivot and how everything works. Recently, I converted my custom ski rack add-on to ‘hybrid mode’ to carry both bikes and skis. Given it was a good time to take more pictures, below are a few of the rack in various positions. Note, the rack doesn’t usually come with ski carriers – that was an aftermarket customization we made and also note one of the middle wheel trays has been removed to accommodate the skis. We should be able to carry three pairs of skis and three bikes on the back with this setup, which will be handy when we head to Alaska later this spring.

Tire damage from the rack. This tire had been used approximately twice before this trip. The rack basically rubbed all the way through the sidewall.

Update 8/7/2017: Some folks have told me that the Recon Rack can damage the front bike tires hanging in the tray on long road trips. Several trips all over the western US and Canada (probably 10,000 miles with bikes loaded in the rack) did not really reveal this problem. However, during a recent mountain bike adventure in Eastern Oregon I learned two very important lessons. 1) Tire damage can and does occur on very (read: 4×4, low range) bumpy roads. 2) Apparently, with just the right circumstances (very bumpy roads), bikes can come out of the rack, be drug behind the vehicle, and essentially be destroyed in just a few hundred yards. Consider yourself warned and take the appropriate precautions if shuttling this type of terrain.

I have seen a few methods for decreasing the friction in the wheel trays (PVC pipe, rubber tubing, etc.) to prevent tire damage – which I will check out and report back on. For keeping bikes from falling out, consider using auxiliary straps to hold the bikes in the trays. Based on our experience this doesn’t appear to be necessary for “normal” driving (even miles and miles of washboard gravel roads traveled at high speed didn’t seem to cause issue), but is now recommended for “more extreme” road conditions.

Lastly, though the issues noted above seem like a really big deal (and are a really big deal), I continue to stand by this rack recommendation. In light of the above update, I considered the following points:

  1. If the bike tire is getting damaged like this on rough terrain, consider what a rack like North Shore would do to the frame (especially a carbon frame) if subjected to the same stresses. I’d much rather damage a tire (replacement cost $50) than a carbon frame (replacement cost: $$$$$).
  2. The Recon Rack holds bikes in better than any other vertical rack I have seen (this is the first time I have ever heard of a bike falling out of the Recon – I have heard several reports of bikes falling out of other vertical racks). Be it user error, road conditions, or otherwise – this is a risk you take hanging your bike off the back of a vehicle.
  3. Horizontal wheel tray style bike racks (like the Yakima or Thule offerings) that support the bikes horizontally stick out much further and have much lower departure angle ground clearance than vertical racks. Though I believe these hold bikes better, they limit your driving access to terrain (and also make parking harder). If you are only carrying two bikes, this might be a good option – but I maintain my recommendation for the Recon for 4+ bike capacity.

We did a video review of our vertical bike and ski rack, including lots of details about how it’s been modified to make it work best for our needs. Check it out!

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