the one's i've seen that i like, have straps that hook the tops onto the truck durning loading.
other than that, i would think wider is better.
wider is better, but i would like something that folds up and out of the way unlike this:
Motorcycle Bike Ramp Systems At Discount Ramps.com
I want to fit 2 bikes in the back of a s10, so i wont have much room to put a ramp.
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Rear brake only for use when front brakes squeak whilst slowing for hot bitches