





🖤 Elevate your Discovery’s roof game—strength, style, and space in one sleek system.
The Rhino-Rack Backbone Mounting System is a rugged, black powder-coated steel framework designed exclusively for Land Rover Discovery 3 & 4 models. It enhances roof structural strength with eight factory mounting points per side, enabling a maximum load capacity of 704 lbs parked and 220 lbs offroad. This aerodynamic system supports the Rhino-Rack Pioneer Platform (sold separately) and over 90 accessories, offering unparalleled rooftop cargo versatility. Easy one-person installation and a 5-year warranty make it the ultimate upgrade for serious adventurers seeking durable, stylish, and high-capacity roof storage.




| Color | Black |
| Brand | Rhino Rack |
| Item dimensions L x W x H | 9 x 6 x 88 inches |
| Load Capacity | 704 Pounds |
| Mounting Type | Power Click |
| Global Trade Identification Number | 09321911215002 |
| Manufacturer | Rhino-Rack USA, LLC |
| Item Package Dimensions L x W x H | 69.76 x 6.81 x 4.88 inches |
| Package Weight | 7.64 Kilograms |
| Item Dimensions LxWxH | 9 x 6 x 88 inches |
| Brand Name | Rhino Rack |
| Warranty Description | 5 Year Warranty |
| Model Name | Backbone Mounting System for mounting a Pioneer Platform Compatible with Discovery 3 & 4 |
| Suggested Users | unisex-adult |
| Number of Items | 1 |
| Part Number | RD4B1 |
| Style | Fits Land Rover Discovery 3 & 4 |
| Included Components | 2 Backbone Rails, Instructions, Mounting Hardware |
| Size | DISCOVERY 3 and 4 |
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