General Motors SUV roof rack crossbar modification kit, alloy construction, 120cm-135cm adjustable length roof bars, 75kg load capacity luggage rack set for prefabricated split longitudinal pole vehicle mounting, style A variant
GM SUV Alloy Roof Rack Crossbar Modification Kit with 75kg Load Capacity

Expand the utility of your General Motors SUV with this alloy roof rack crossbar modification kit, designed for vehicles equipped with prefabricated split longitudinal pole roof rails. This practical addition enables you to securely transport up to 75 kilograms of additional cargo on your vehicle's roof, ideal for luggage, sports equipment, or camping gear during longer trips. The adjustable 120cm to 135cm length ensures compatibility across a range of GM SUV models, while the alloy construction offers a durable mounting solution that integrates with your vehicle's existing roof rail system without permanent modification.
Features and Construction

This modification kit is built around core specifications that prioritise secure load-carrying and straightforward vehicle integration. The design focuses on providing a reliable mounting platform that works with factory-fitted roof rails, turning your SUV into a more versatile transport solution for various activities and travel needs.
Material and Build
The crossbars are manufactured from alloy, a material chosen for its favourable strength-to-weight ratio and resistance to weather-related corrosion. This construction supports the stated 75 kilogram load capacity while keeping the overall weight added to your vehicle's roof to a practical minimum. The bars are engineered to mount securely to the specific attachment points found on prefabricated split longitudinal pole roof rail systems installed on compatible General Motors SUVs.
Size and Practical Fit
With an adjustable length spanning from 120 centimetres to 135 centimetres, these crossbars can be set to the precise width required for your particular GM SUV model. This adjustability allows for correct placement across the vehicle's roof, ensuring optimal weight distribution and secure attachment to the longitudinal roof rails. The design accommodates the varying distances between mounting points on different SUV variants within the compatible range.
Uses and Placement

Once installed, these roof bars significantly increase your vehicle's cargo-carrying potential, supporting a variety of transport scenarios. The 75kg capacity allows for the secure mounting of specialised roof boxes, luggage pods, bicycle carriers, kayak or canoe cradles, or simply for directly strapping down bulky items that won't fit inside the cabin.
Event or Professional Use
For trade professionals, the roof bars provide a safe way to transport longer tools, lightweight materials, or signage to job sites. For outdoor enthusiasts, they are ideal for carrying mountain bikes, snowboards, skis, or rooftop tents for adventure weekends and holidays. The load capacity is sufficient for most recreational equipment while staying within sensible vehicle handling limits.
Everyday Home Use
For family travel, the bars can support a large roof box for extra suitcases, keeping the cabin clear and comfortable. They are equally useful for larger shopping trips, allowing you to transport garden supplies, flat-pack furniture, or DIY materials home securely. The system provides a versatile solution for the occasional need to move items that are too bulky, too dirty, or too long to fit inside the vehicle itself.
Benefits and Buying Value

Choosing this modification kit adds measurable functionality to your GM SUV without the complexity of a full aftermarket roof system installation. It represents a targeted upgrade that leverages your vehicle's existing roof rail infrastructure to deliver increased utility.
Reuse and Low Maintenance
The alloy construction requires minimal ongoing maintenance beyond occasional cleaning. The crossbars can be fitted and removed as needed, allowing you to use them only when required to minimise wind noise and fuel consumption impact. When not in use, they can be stored compactly, ready for your next trip or transport task.
Why Choose This Product
This kit offers a specific solution for GM SUV owners with factory-fitted prefabricated split longitudinal pole roof rails. Its value lies in the direct compatibility, the substantial 75kg load rating, and the adjustable fit that ensures secure installation. It provides a cost-effective way to add significant roof-carrying capability using a vehicle's existing mounting points, avoiding the need for more invasive or expensive roof rack systems.
