Mountain Biking - Would it hurt my bike carrying it like this???

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sparks_219
07-12-05, 08:08 PM
I got a new bike rack and the only way to fit my bike onto the car is mount it on the down tube.

I drive on the highway a fair bit, and at speeds of over 100km/h (60mph), I'm concerned the wind may be putting too much pressure onto the rear linkages. I think ever since I started carrying my bike like this, the bottom of my bike creaks, and I think it maybe one of the bushings.

Opinions??

THanks,

Ming


http://ming.hostopia.com/albums/album01/DSCF0024.sized.jpg
http://ming.hostopia.com/albums/album01/DSCF0025.sized.jpg

zx108
07-12-05, 08:21 PM
i dont think so, unless it falls. i like the bike. my bike gets put IN the back ontop of another bike.
gwhunt23
07-12-05, 08:24 PM
You weigh more than the bike itself. I don't see how the bike's own weight could hurt the bike's linkages.

cryptid01
07-12-05, 08:30 PM
Are you sure that's the only way to carry it? You could get one of those things that cuff to the seatpost and stem. I don't know what they're called.

Higher center of gravity = more stress on rack
sparks_219
07-12-05, 08:39 PM
You weigh more than the bike itself. I don't see how the bike's own weight could hurt the bike's linkages.

Sorry, I'm tired from the ride today. I drive over 100km/h on the highway with the bike like that. I'm worried about the bike catching side wind, not its own weight. :)
sparks_219
07-12-05, 08:41 PM
Are you sure that's the only way to carry it? You could get one of those things that cuff to the seatpost and stem. I don't know what they're called.

Higher center of gravity = more stress on rack

I should look into that option, but I really dont like having too many linkages holding onto the bike. Just more chance for failure. The rack is built fair sturdy since it's a Saris Bone :)

The normal mounting position invovles the rear stanction of the shock sitting on the mounting point, which I really dont like.
zx108
07-12-05, 08:58 PM
i think if you are really worried about i, get one of the racks that go ontop of the car.
Dirtbike
07-12-05, 09:01 PM
You need a crossbar. It attaches to the seatpost, and underneath the stem. The rack clamps to the crossbar. Yakima calls it the "Tubetop"
http://www.xterraparts.com/Merchant2/merchant.mvc?Product_Code=2508&Screen=PROD
Raiyn
07-12-05, 11:25 PM
Great Goolgly Moogly! (http://www.eventsounds.com/wav/googly.wav)
Don't do that again! Theres NO reason to have to do things like that
Get one of these http://www.saris.com/products/bikebeam.htm ASAP