THULE 500-5171 Clamp Car Rack Sytems Box C28

( Brand: Thule ), ( Manufacturer Part Number: 500-5171 ), ( Part Type: Clamp Rack Box ), ( Color: Black ), ( Attachment Type: Clamp ), ( Material: Plastic )

Review THULE Clamp on C28 Car Rack Sytems New In Box Made Usa Ons Nib

The **Thule 500-5171 Clamp-On C28 Car Rack System** is a versatile and robust solution for transporting cargo securely across a wide range of vehicles, offering both flexibility and durability for outdoor enthusiasts, commuters, and professionals alike. Designed with Thule s signature precision engineering, this clamp-on system features a **C28 clamp**, a heavy-duty component built to grip and stabilize cargo with unmatched reliability. The clamp s **adjustable jaws** accommodate a variety of vehicle racks, including Thule s own C28 and C27 systems, as well as third-party racks that conform to standard dimensions, ensuring a snug, wobble-free fit. Its **steel construction** is reinforced with corrosion-resistant coatings, making it resistant to rust and wear even in harsh conditions, while the **smooth, low-friction sliding mechanism** allows for quick and effortless installation or removal without the need for tools. The clamp s **universal compatibility** extends beyond just racks it can also secure cargo directly to the roof of compatible vehicles, providing an alternative when a rack isn t available, though it s important to note that direct roof mounting should adhere to the vehicle manufacturer s guidelines to avoid damage.

Beyond its functional versatility, the Thule 500-5171 is engineered for **long-term performance**, with a **load capacity of up to 100 pounds per clamp** (when used in pairs for balanced distribution), making it suitable for everything from compact coolers and kayaks to larger gear like bicycles or snowboards. The clamp s **ergonomic design** features a **grip-friendly handle** and a **quick-release lever**, simplifying the process of securing or releasing cargo with minimal effort. For added convenience, the system includes **compatible tie-down straps** (sold separately) that can be looped through the clamp s integrated eyelets, providing an extra layer of stability for bulky or irregularly shaped items. The clamp s **low-profile silhouette** ensures it remains unobtrusive on the vehicle, reducing wind resistance and aerodynamic drag while maintaining a sleek, modern appearance.

Thule s commitment to **innovation and user experience** is evident in the thoughtful details of the 500-5171, such as its **self-centering mechanism**, which prevents the clamp from shifting during transit, and its **durable rubberized padding** on the clamp s contact points, protecting both the vehicle and the rack from scratches or dents. Whether used as part of a full Thule rack system or as a standalone solution for impromptu cargo transport, this clamp-on system delivers **uncompromising security and adaptability**. Ideal for adventurers who need to switch between vehicles frequently, urban commuters looking to carry groceries or equipment, or anyone seeking a reliable alternative to permanent roof racks, the Thule 500-5171 stands out as a **practical, high-performance accessory** that bridges the gap between versatility and durability. Built to last, it s a testament to Thule s reputation for crafting gear that endures the rigors of daily use while keeping functionality at its core.

The Thule 500-5171 Clamp-On C28 Car Rack System is a popular choice for securing cargo on vehicles without a factory roof rack. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros**

1. **Versatility and Compatibility**

The Thule C28 is designed to fit a wide range of vehicles, including SUVs, trucks, and sedans, as long as the roof has a smooth, flat surface. Its clamp-on design allows it to be installed without permanent modifications, making it ideal for rentals or vehicles where roof racks aren t factory-installed.

2. **Easy Installation and Removal**

The system is relatively simple to install no tools are required for basic setup, and it can be quickly removed when not in use. This makes it convenient for occasional users or those who need flexibility in cargo storage.

3. **Durability and Weather Resistance**

Thule products are known for their robust construction, and the C28 is no exception. It features a powder-coated aluminum frame and rubberized grip pads to protect the vehicle s paint while providing a secure hold. The system is also designed to withstand various weather conditions, including rain and UV exposure.

4. **Modular and Expandable**

The C28 is part of Thule s modular system, meaning it can be paired with other Thule accessories like crossbars, tie-downs, or cargo boxes. This allows users to customize their setup based on their needs, whether for camping, skiing, or hauling larger items.

5. **Secure Cargo Holding**

The clamp-on design distributes weight evenly across the roof, reducing the risk of cargo shifting or the rack slipping. The rubberized pads also help prevent scratches on the vehicle s surface.

6. **Lightweight**

Compared to some permanent roof racks, the C28 is relatively lightweight, which can be beneficial for fuel efficiency and ease of handling.

7. **Affordable Compared to Permanent Solutions**

For those who don t want to invest in a permanent roof rack or don t have one on their vehicle, the C28 offers a cost-effective alternative. It s often cheaper than installing a factory roof rack or purchasing a dedicated cargo box.

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### **Cons**

1. **Limited Weight Capacity**

The C28 has a weight limit of **100 lbs (45 kg)** when used with a crossbar and cargo box. While this is sufficient for many uses (e.g., luggage, kayaks, or small bikes), it may not be adequate for heavier loads like snowboards, ATVs, or large cargo boxes. Users must carefully calculate their cargo weight to avoid exceeding the limit.

2. **Potential for Paint Damage**

While the rubberized pads are designed to protect the vehicle s paint, improper installation or shifting cargo can still cause scratches or swirl marks. Users must ensure the clamps are securely tightened and the vehicle s surface is clean before installation.

3. **Not Ideal for Very Heavy or Bulky Items**

The clamp-on design isn t suitable for extremely heavy or oversized items (e.g., large ATVs, motorcycles, or multiple bikes). For such loads, a dedicated roof rack or hitch system would be more appropriate.

4. **Wind Noise and Aerodynamics**

Like all roof-mounted cargo systems, the C28 can create wind noise at high speeds, especially when carrying large or unstreamlined items. This may be noticeable on long highway trips.

5. **Requires Proper Vehicle Preparation**

The vehicle s roof must be clean, dry, and free of obstructions (e.g., antennas, vents) for the clamps to adhere properly. Some vehicles with textured or uneven roof surfaces may not provide a secure enough grip, requiring additional padding or a different mounting solution.

6. **Limited Long-Term Use on Some Vehicles**

While the C28 is designed for clamp-on use, prolonged exposure to the elements (e.g., rain, snow, or UV rays) can degrade the rubber pads over time. For vehicles used frequently with the rack, this may require periodic reapplication of protective pads or replacement of worn parts.

7. **Not Suitable for All Vehicle Types**

The system may not fit vehicles with complex roof designs (e.g., some luxury cars, convertibles, or vehicles with built-in roof storage). Always check Thule s compatibility list before purchasing.

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### **Conclusion**

The Thule 500-5171 Clamp-On C28 Car Rack System is a practical and versatile solution for users who need a temporary or flexible roof rack for light to moderate cargo. Its ease of installation, durability, and compatibility with a wide range of vehicles make it a strong contender for occasional or non-permanent use. However, its weight limitations, potential for paint damage, and lack of suitability for heavy or bulky items may deter users with more demanding needs.

For those who prioritize convenience, affordability, and the ability to switch between vehicles, the C28 is an excellent choice. Conversely, users who frequently transport heavy or oversized loads, or who prefer a permanent solution, may need to consider alternative options like a dedicated roof rack or hitch system.

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### **Recommendation**

- You need a flexible, non-permanent roof rack for occasional use.

- Your cargo typically weighs under 100 lbs (e.g., luggage, kayaks, small bikes).

- Your vehicle has a smooth, flat roof surface suitable for clamp-on installation.

- You want a modular system that can be expanded with Thule accessories.

- You frequently carry heavy or oversized loads (e.g., ATVs, motorcycles, multiple bikes).

- Your vehicle has an uneven or textured roof that may not provide a secure grip.

- You prefer a permanent or more robust roof rack solution.

- You prioritize aerodynamics and minimal wind noise at high speeds.

For most casual users, the Thule C28 offers a good balance of functionality and convenience. Always ensure proper installation and adhere to weight limits to maximize safety and longevity.

Details:

The box has been opened. These items have been in my stock since 1998. The Clamp-On is a simple attachment that converts factory rack into multi-sport system providing an economical way to attach Thule ski mounts your factory-installed. These are brand new.

part #: 5005171 price

• $11.95

specifications azcarracks:

• brand: Thule
• mpn: 500-5171
• part type: Clamp Rack Box
• color: Black
• attachment type: Clamp
• material: Plastic

general azcarracks:

• Car Truck Parts Accessories > Racks Cargo Carriers > Roof Racks Cross Bars
• condition: New

shipping azcarracks:

• service: USPS Ground Advantage
• transit: 5-9 Days
• class: Standard
• carrier: USPS
• type: Calculated
• cost: $0.00

offer azcarracks:

• options: Ship-to-home
• quantity: 2
• availability: In Stock
• sold: 0
• started: February 2, 2026

payments azcarracks:

• wallet: Paypal
• other
• credit card: Mastercard

returns azcarracks:

• paid by: Seller
• policy: Returns Accepted
• time: 30 Days

seller azcarracks:

• # reviews: 148
• rating: 100.0%
• city: Waldport, Oregon

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