Max Speed With Thule Roof Box

With a load on the roof the vehicle s driving characteristics its braking performance and its sensitivity to side winds may change.

Max speed with thule roof box. What is the maximum speed you can travel with a thule roof box. Regularly best in test for safety security and ease of use choice of capacity from medium to xx large. My thule boxes both said 80mph as the max speed. Unless stated otherwise in these instructions do not carry more than 75 kg 165 lbs on thule load carriers.

Some roof rack accessories such as roof boxes come with a maximum speed warning which shouldn t be exceeded. 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 think they key is to load it sensibly and balance the weight.

Total load cargo weight plus weight of accessories used to carry cargo. Speed should be adjusted to suit the load being carried other parameters such as road conditions wind traffic intensity and so on and of course traffic regulations as well. Most cars were travelling at 140kph. Thule load carriers do not increase gutter or roof strength.

I have inadvertantly crept over that on occasion without any problems. 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. With our long tradition of the highest quality you can expect a lot from your thule roof box.

Thule can not warranty loads that exceed this limit. Driving with the roof box wasn t really so bad.