Max Speed With Thule Roof Box

With our long tradition of the highest quality you can expect a lot from your thule roof box.

Max speed with thule roof box.

Some roof rack accessories such as roof boxes come with a maximum speed warning which shouldn t be exceeded. Thule load carriers do not increase gutter or roof strength. The only statement that thule has on the speed you should travel while carrying a cargo box on the roof like th615 is the following. It was a little noisier and of course reduced my mpg from about 50 to 43 but i was still able to.

I have inadvertantly crept over that on occasion without any problems. Driving with the roof box wasn t really so bad. Total load cargo weight plus weight of accessories used to carry cargo. With a load on the roof the vehicle s driving characteristics its braking performance and its sensitivity to side winds may change.

Aerodynamic drag increases with speed and exceeding the speed rating could effectively exert too much force onto the accessory or the roof rack. My thule boxes both said 80mph as the max speed. Regularly best in test for safety security and ease of use choice of capacity from medium to xx large. With thule motion xt thule is setting a new standard for modern roof box design with a stylish silent and easy to use box that will make your car look even better.

It has a distinctive shape that has been optimized using advanced computer simulation reducing the impact on fuel economy and providing a quiet ride. Thule recommend that you don t travel any faster than 90 mph which is probably more than your local speed limits anyway. Thule can not warranty loads that exceed this limit. For safety to your vehicle and rack system obey all posted speed limits and traffic cautions.

I think they key is to load it sensibly and balance the weight. What is the maximum speed you can travel with a thule roof box.