We love hitch bike racks. After a long day of riding who wants to put their mountain bike on the roof of their car? NO ONE. And OMG how many times do people drive into their garage with bikes on their roof and Smash? Too Many. Most bike racks and ski racks eat up precious garage space. Not Gravirax.
About 15 years ago most bikes were transported on the roofs of cars. Anyone who has ever loaded a mountain bike on the roof of an SUV after a long...