Let me tell you from experience, road rash at bicycle speeds is a picnic compared to road rash at motorcycle speeds. I've gone down on a bicycle at 10mph and a motorcycle at 40mph. The bicycle road rash hurt but healed in a couple weeks and left no scars. After the moto crash I had road rash so deep on my foot and knee you could see bone. It took a month to heal and hurt like hell for a week and left scars that are plainly visable to this day 8 years later.
Canis meus id comedit.