Got a larger vehicle and looking for as much roof top cargo space as possible? The Thule 8591 Canyon Extension extends the cargo area of the 859 Canyon cargo basket by 20 inches, boosting the carrying capacity by 40%. The 8591 Canyon Extension is constructed of durable black, powder-coated steel and is super easy to install, so feel free to add more than one 8591 basket extension (for two or more extensions, we suggest adding one or more crossbars) for cargo cargo that is off the charts.
- Ideal for larger vehicles with long rooflines
- Bumps up load capacity of the Thule 859 Canyon roof cargo basket by 40%
- Black powder coated steel tubing
- 20”L x 38”W x 5”H, 12 lbs