Only 31% finished the 200 km and as a result the rules were changed to protect riders in extreme heat.

Elevator doors protect riders from falling into the shaft.

There's a better way to protect riders: libertarian paternalism, which is not as oxymoronic as it sounds.

Some countries require child and/or adult cyclists to wear helmets, as this may protect riders from head trauma.

The eight-pound board Carlson designed has a hard, smooth polyethylene plastic bottom that protects riders from rocks.

When the ride slows, the floor is supposed to come up, protecting riders from a steep drop.

Other companies produce plastic screens, mostly clear bubble shapes, to protect riders.

Even so, Suzuki found it prudent to fit heat shields on the outside of the pipe to further protect riders and pillions.

The chair, which cost $950, also has an umbrella to protect riders from the sun.

Rules protecting riders have improved as well.