Max Speed With Thule Roof Box

I think they key is to load it sensibly and balance the weight.

Max speed with thule roof box.

Thule load carriers do not increase gutter or roof strength. With a load on the roof the vehicle s driving characteristics its braking performance and its sensitivity to side winds may change. Regularly best in test for safety security and ease of use choice of capacity from medium to xx large. For safety to your vehicle and rack system obey all posted speed limits and traffic cautions.

Driving with the roof box wasn t really so bad. Total load cargo weight plus weight of accessories used to carry cargo. Aerodynamic drag increases with speed and exceeding the speed rating could effectively exert too much force onto the accessory or the roof rack. What is the maximum speed you can travel with a thule roof box.

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. 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. Unless stated otherwise in these instructions do not carry more than 75 kg 165 lbs on thule load carriers.

Thule recommend that you don t travel any faster than 90 mph which is probably more than your local speed limits anyway. I have inadvertantly crept over that on occasion without any problems. 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. Most cars were travelling at 140kph.

It was a little noisier and of course reduced my mpg from about 50 to 43 but i was still able to. It has a distinctive shape that has been optimized using advanced computer simulation reducing the impact on fuel economy and providing a quiet ride.