Rhino-Rack RT4B1 Backbone - 3 Base for Toyota 4 Runner

The Rhino-Rack RT4B1 Backbone is a mounting system that is designed specifically for the Toyota 4-Runner. The RT4B1 works by connecting to your vehicle's roof via 3 bases on each side. Once the RT4B1 Backbone is attached to your Toyota 4-Runner you can then attach a Rhino-Rack Pioneer System.

Features

• Designed to increase your vehicle’s load capacity
  
• Creates extra space to carry your gear on the roof
  
• Keeps whatever in stow secure during transport
  
• Allows to free up space inside your vehicle
  
• Made from superior grade tubing for impeccable strength
  
• Durable construction can withstand the toughest conditions
  
• Warranty: 5-Years
  
• Product Instructions: PDF Download (External Link)

Compatible Pioneer Platforms

• 42102B
  
• 45102B
  
• 41102
  
• 42107B
  
• 45107B
  
• 41107