I currently have the MontBlanc Discovery roof carrier and was wondering if there is any limitation using it with the Ibis (or any other carbon) frame. I am worried that the clamp may break the frame. Is there a recommended carriers?
my carier clamps on the top frame tube, but it had soft rubber inside, so I'm not worried - you don't want a hard pressure point, that's all. carbon is pretty strong...
I've clamped carbon mast (windsurf) ten time stronger for years without any issue - granted they often have kevlar reinforcement there, but it's also for impact/pressure point where all teh force goes.
I have a thule 599xt bigmouth and put my matte sl on top of the car for two 5 hour drives and then another two 30 minute drives (on windy roads no less) and it was fine, no visible marking-the clamp hits really close to the bb and I gotta believe its pretty reinforced there.
Also Hans posted in one of the first threads questioning this that the clamp style racks are fine, you just might want to protect the frame if you are super anal about scratches.
I highly recommend the Highroller from Yakima. I know, it's pricey but it doesn't touch your frame and clamps down great for bikes like the Mojo. You also don't have to deal with taking the front wheel off and dealing with the whole 9mm skewer, 15mm and 20mm thru axle debacle. The only time I question it is when I'm using it with my 50lb DH bike, that's kinda scary when pulling sideways into steep driveways with all that extra weight swaying :-(
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