This reminds me, since standard speed limits were set, automobiles have drastically increased in their abilities. Rear independent suspension, lighter weight, d

This reminds me, since standard speed limits were set, automobiles have drastically increased in their abilities. Rear independent suspension, lighter weight, disc brakes, radial and tubeless tires. Just like on a bike, the first one was a heavy steel one with thick tires. Now, I'm riding a road bike that weighs a tiny amount and has dual compound tires.