Porsche Roofbox without roofbars on a panorama roof... possible w/ Treefrog Crossbar Roof Carrier Black

[whitex]

Yes, Taycanlovers this is possible..

With the Treefrog Crossbar Roof Carrier Black. I took the risk and it worked. Many faces with frowning eyebrows at the charging locations and while driving. A lot of attention from how this roof box was mounted on the roof. I drove 3800 km (2300 miles) from the Netherlands to the South of France at a speed between 120 km/h (72 miles/h) and 130 km/h (78 miles/h). Without any problem, even the noise and energy consumption with the roof box was not much higher than normal. I chose this system because I was tired of having to buy new roof racks for every new car. And because our second car (Tesla Model 3) also has a glass roof, I can also use this roof box on this car. Expression from the Netherlands: Two birds with one stone.

First question I would ask, how often do you need to re-attach these? Will they last a week, a month, a year, few years? Second question, are there any indicators on these, perhaps visible from inside the car, indicating that the suction cups need to be re-attached?

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[jonjon808]

First question I would ask, how often do you need to re-attach these? Will they last a week, a month, a year, few years? Second question, are there any indicators on these, perhaps visible from inside the car, indicating that the suction cups need to be re-attached?

Can't speak to durability, but I would use these (as with Sea Sucker) as an occasional thing, rather than long term, permanent attachment.

The suction cups do have a red indicator tab that shows when the suction has lost a little 'grip' which is easy to do a visual inspection and pump a little more air out. I've only seen it when I didn't make a good contact in the first place, so they don't leak over time on their own

 

[jvdsanden]

First question I would ask, how often do you need to re-attach these? Will they last a week, a month, a year, few years? Second question, are there any indicators on these, perhaps visible from inside the car, indicating that the suction cups need to be re-attached?

If you have put them on your roof, the advise is that you check if the indicators are still black and does not show a white strip. During my trip 3 days (mounting day and 2 days drive of 1900km), I checked the indicators everytime I stopped for charging or sleeping and I didn't have to pump them up again. Never had to re-attached them. Same counts for my way back home... Ofcourse during my stay in the South of France I toke they off.
Look at the web-site of the brandnames I mentioned. I understand the reluctance of using, but I am convinced it is a good en solid solution.

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