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YOUR RESEARCHRoof Rack top speed?
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Use seasucker suction mounted rack
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Suggestion
Not exactly the same type of rack you�re referencing but back when I was doing triathlons, I used to use a Seasucker suction mounted rack for my Tri bike.
Leading evidence: 'Use seasucker suction mounted rack' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Use seasucker suction mounted rack' (1 discussions). For that action, 0 discussions report a resolution and 0 report an unsuccessful attempt. No action has an explicit, attributable resolution report under the current rules. These are forum reports and suggestions, not a confirmed diagnosis.
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Use seasucker suction mounted rack
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Suggestion
Not exactly the same type of rack you�re referencing but back when I was doing triathlons, I used to use a Seasucker suction mounted rack for my Tri bike.
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Of course this is a hypothetical question....anyone know what speed the factory roof racks are rated for? Same question with the addition of a bike mounted to it
Hypothetical of course...
Lol...I was thinking the same thing Bill.
i was waiting for someone to say “Hold my beer, let’s find out. What could go wrong?” (Says every mustang owner as they stomp on the throttle leaving cars and coffee)
My RTS instructions say to refer to the owners manual, which I have shown below. The loaded/unloaded max speeds are 90/110 mph, respectively.
Even if the structural integrity of the mounts, bike, etc are not tested, the real issue would be that at speeds any higher than these the lift generated from the crossbars wouldn�t give you enough downforce to maneuver safely. The car already needs a spoiler to pop up to keep it safe above 75 so I wouldn�t want to try to figure out how big their safety margin was...
Not exactly the same type of rack you�re referencing but back when I was doing triathlons, I used to use a Seasucker suction mounted rack for my Tri bike. I definitely hit 100 mph more than once with that setup with no issues. I would think the factory mounted rack could easily handle that and more.
I have the factory rack mounted on my E90 BMW instead of my 996, but I like to drive that car fast too and have looked into this. I generally don�t go above 85 with the bikes on. With just the rack, I�ll go as fast as I dare on public highways (not much more than 100, briefly).
I read somewhere that the German TUV standard for racks is 125mph, but what you put on the rack makes a huge difference. A cargo pod is nice and aerodynamic, but a snowboard is practically a wing.
I usually carry bikes and while I don�t worry about the rack coming off, I do worry about what the buffeting does to a bike at high speeds. If that front wheel starts to wiggle or the cables start to flap around, I back off the gas pedal.
Also, keep in mind that wind resistance is squared as speed doubles. So the difference between 90-100 is much greater than the difference between 50-60. I�m too lazy to do the math right now.
Thanks for all the replies! Did a test this weekend on an extended road trip, definitely keeping it under 85 w/ the bike on.
Hypothetically, of course...
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