Rear Cargo Rack on a Mountain Bike
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Installing a Rear Cargo Rack on a Mountain Bike

How to install a rear cargo rack on a mountain bike

Summary: The post provides instructions on how to install a rear cargo rack on a mountain bike.

It explains the tools needed, and the step-by-step process of installation and provides answers to frequently asked questions about installing a rear cargo rack.

Installing a rear cargo rack on a mountain bike.

  1. Select a cargo rack that is compatible with your bike.
  2. You will need the following tools: Allen or regular wrenches, a rack, and your bike. The instructions for the cargo rack are also included.
  3. Attach the adjustable arms and supports to the rack.
  4. Mount the bike frame to the rear dropout eyelet or the center post.

Ibera Bike Rack – Bicycle Touring Carrier Plus+ for Disc Brake Mount, Frame-Mounted for Heavier Top & Side Loads, Height Adjustable for 26″-29″ Frames
  • Frame-mounted for heavier top and side loads with disk mounts
  • Quick-release bag mounting system
  • Adjustable; fits most 26-Inch and 700c frames
  • Durable, lightweight aluminum 760g.Plus allows IBERA bags to be mounted with IBERA panniers
  • Bag Compatibility PakRak IB-BA9, IB-BA11, IB-BA14, IB-BA15, IB-BA16, IB-BA18, IB-BA19, IB-BA20

Last update on 2024-02-27 / Affiliate links / Images from Amazon Product Advertising API

Installation Instructions for an IBERA Mountain Bicycle Cargo Rack

How to Install a Rear Bike Rack

  1. All materials should be collected. The main rack assembly, two side guards, two adjustable support arm arms, a fender, and a reflector are all required. A tool kit includes two Allen wrenches of different sizes and one double-sided wrench.
  2. Attach the guards to the mounting holes at the right-most and left-most. Attach the two guards to the mounting holes using an Allen screw and washer on one side and a single locknut on the other. You can also attach the adjustable support arms to your center mounting hole using the same screw, washer, and locknut. Make sure that the support arm is placed on the inside of your guard.
  3. Attach the fender to the rack by removing the Allen screws at the bottom center. Reattach the fender to its original location.
  4. Attach the two rubber spacers to the back of the main clamp. Once the clamp is tightened, you must tighten the main clamp screw. Turn the clamp clockwise to tighten the main clamp screw.
  5. The adjustable arm should be placed into the sliding support. Next, find a place to clamp it to the frame. As this will give the rack the greatest support, the angle should be as close to 90 degrees as possible.
  6. The most important thing is finding a spot where your clamps won’t interfere with the transmission and brake lines. This can be done by placing the line inside the space above the clamp but below the Allen screw that attaches the support arms.
  7. Install a rubber stopper in the clamp. The clamp should be tightened in the same way as the main clamp in Step 4. The clamp mustn’t interfere with the bike’s transmission or brake lines. Rock Bros includes four rubber stoppers and two extra bikes with thin frames.
  8. The Allen screw that controls the sliding action of the adjustable arm must be tightened. The Allen screw that connects the arm and the clamp must also be tightened.
  9. Slide the included reflector onto the rear of your rack to complete the installation. The small circle at the back of the reflector indicates the top.
  10. The final product should be similar.

You can adjust the distance between the main rack and the seat by loosening both the Allen screws at the bottom and those controlling the sliding action of the adjustable arms.

Portland Design Works | Eyelets for Full Metal Fenders (Pair)
  • Pair of eyelets for mounting Full Metal Fenders to bikes without eyelets on the frame
  • Includes two eyelets which mount between QR skewer and dropout
  • Only for mounting Full Metal Fenders, do not use in conjunction with any other product

Last update on 2024-02-28 / Affiliate links / Images from Amazon Product Advertising API

Installing a Bike Rack Without Braze-Ons and Eyelets (If your rack does not have quick-release clamps).

What are Mountain Bike Braze Ons?

These are any parts of the bicycle that have been permanently attached to its frame. These could be small, tubular structures that are welded to the frame to route brake cables from the brakes to the handlebars.

Braze-Ons can be used to mount the adjustable support arms on the frame of your bicycle. The user can use this post-production or as part of mass production.

What are Bike Eyelets, and How Do They Work?

These are threaded parts of the bicycle frame located near the rear or front axle. The rear dropout eyelets are required to mount a rear cargo rack. They can be found above your rear axle.

Can I avoid having to reduce them by half?

Some cargo racks (like the IBERA) include quick-release clamps. These clamps are not required for cargo racks. However, you can make Braze-On mounting points with them. Insulated P-clamps are the solution.

To secure the mounting point, attach the P-clamp to the frame. A P-clamp with an inner diameter slightly smaller than the bike frame is required. The tightening screw will clamp the support to your frame and prevent movement.

This will prevent any shaking or, worse, a failure of your mounting point.

BV Bike Panniers 26L With Adjustable Hooks – Panniers For Bicycles With Carrying Handle, Bike Pannier Bag With 3M Reflective Trim For More Visibility – Bicycle Commuting Pannier Fit Most Bicycle Rack
  • Large zippered pockets – Panniers with large zippered pockets, reflective trim, and carrier handle on top.
  • Angled pocket design – Angled pocket design ensures pedaling space.
  • 3M reflective trim – 3M Scotch Lite reflective trim ensures night time visibility.Total Capacity- 26 Litres
  • Adjustable hooks fit most bicycle rack – Four shelf straps and two height adjustable bungee hooks for mounting.
  • Rigid Back Panel – Each has a rigid back panel to maintain bag structure for easy access on and off the bike.

Last update on 2024-02-28 / Affiliate links / Images from Amazon Product Advertising API

Pros and Cons of Installing a Rear Cargo Rack on a Mountain Bike

Installing a rear cargo rack on a mountain bike can offer several advantages, but there are also a few drawbacks to consider.

Here is a detailed list of the pros and cons:


  1. Increased carrying capacity: By installing a rear cargo rack, you can significantly increase the amount of gear you can carry on your mountain bike. This is particularly useful for those who use their bikes for commuting, bikepacking, touring, or just running errands.
  2. Convenient storage solution: A rear cargo rack provides a stable and secure platform for attaching various types of bags, panniers, or baskets. This makes it easier to organize and carry your belongings, groceries, camping gear, or any other items you need for your ride.
  3. Improved weight distribution: When carrying items in a backpack or on a regular bike frame, the weight is concentrated on your back or the front of the bike. This unbalanced load can negatively affect your balance, control, and overall riding experience. With a rear cargo rack, the weight is evenly distributed over the rear wheel, improving stability and handling.
  4. Versatility: Once installed, a rear cargo rack can be used with different types of bags or accessories depending on your specific needs. Whether you’re commuting to work, going on a backpacking trip, or simply needing to transport some extra items, you can easily customize your setup to accommodate different loads.


  1. Added weight: The cargo rack itself adds extra weight to your bike, and depending on the material and construction, it can be significant. This additional weight can make the bike less maneuverable, especially on technical trails or when climbing steep inclines.
  2. Limited off-road compatibility: While rear cargo racks are commonly used on , they are primarily designed for road or hybrid bikes. Therefore, the compatibility with different mountain bike frames and suspension systems can be limited. Some racks may not fit properly or can interfere with the rear suspension’s performance.
  3. Reduced agility: A cargo rack’s added weight and bulk can affect the bike’s agility and responsiveness. Quick turns, steep descents, and technical trails may become more challenging with a rack mounted on the rear. This can limit the bike’s ability to handle rough terrain and tight corners as efficiently as it would without the rack.
  4. Aesthetics and appearance: Some cyclists may find rear cargo racks to be visually unappealing or bulky, especially on a sleek mountain bike frame. If aesthetics are important to you or if you prefer a minimalist look, a rear cargo rack might not be the most desirable accessory for your bike.

Overall, installing a rear cargo rack on a mountain bike has numerous benefits in terms of added storage capacity and convenience.

However, it’s essential to consider the drawbacks, such as added weight, potential compatibility issues, reduced agility, and aesthetic concerns before making a decision.

What is a ? Do I need One?

Panniers can be attached to your bike’s frame or hung from a cargo rack. Panniers can attach directly to your main seat support or to either the side or rear cargo rack.

A pannier is used when you must transport a lot of stuff or stuff that must be waterproof. It is important to remember that not all panniers are waterproof.

Maintaining a low center of gravity and ensuring good balance is better than carrying a bag on your back. Because they are not required to be carried, they put less strain on your back.

A pannier is unnecessary if your backpack can be attached to the rear cargo rack or if you don’t have that much stuff in general. A pannier is a great investment if you plan to ride long distances or take trips with your bike.

Installing a Rear Cargo Rack on a Mountain Bike FAQs

Q1: What tools do I need to install a rear cargo rack on my mountain bike?

A1: You’ll typically need the following:

  • Allen keys
  • Wrenches
  • Screwdriver: Please check the instructions that came with your rack, as different models may require different tools.

Q2: Can all have a rear cargo rack installed?

A2: Not all are designed to accommodate a rear cargo rack. Check if your bike has mounting points, usually found above the rear wheel and by the seat post.

Q3: How much weight can a typical rear cargo rack carry?

A3: Most racks can carry around 20 to 25 kilograms, depending on the model. Always check the manufacturer’s specifications for accurate information.

Q4: Will installing a rear cargo rack affect my biking performance?

A4: It might impact handling slightly due to the additional weight, especially when loaded. But generally, if you load your items evenly and securely, you shouldn’t notice too much difference.

Q5: Do I need professional help to install my rear cargo rack, or can I do it myself?

A5: With basic tools and some time, most people can install their own racks. However, if you’re unsure or uncomfortable doing it yourself, any local bike shop should be able to assist.

Q6: Is any special care required to maintain my bike after installing a rear cargo rack?

A6: Like other bicycle parts, you should periodically check that all fittings are tight and not worn out. Consider cleaning it when washing your bike to prevent rusting.

Happy and Safe Biking!

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