A wet surface after a recent rain following a long dry spell.
A wet surface after a recent rain following a short dry spell.
A wet surface following a recent rain.
On bikes made in Asia
On the left side of hubs
On the left pedal where it attaches to the crank
On the right pedal where it attaches to the crank
Reverse threads were on older bikes but not now.
Helmets actually cause more injuries than they protect against
The ergonomic design or interface between the rider and the bike allows for efficient use muscles to convert effort to movement.
Sitting on a bike means you don't have to fight the pull of gravity.
A person on a bike is so aerodynamic that there is less drag than any other creature.
The use of the wheel is more efficient than bipedal locomotion
A person on a bike is not the most efficient of all creatures. Dolphins are just a little more efficient.
If people stop pedaling they always fall over.
Centrifugal force keeps your from falling.
As you begin to fall to one side, you briefly turn in the same direction, allowing your forward inertia to help your right the bike.
As you begin to fall to one side, you turn in the opposite direction, allowing your inertia to compensate.
Spinning wheels act as gyroscopes, the main reason you don't fall.
When braking your center of gravity moves forward.
When braking your center of gravity moves backward.
You SHOULD NOT be able to squeeze the brake lever all the way to the handle bar grip.
You SHOULD be able to squeeze the brake lever all the way to the handle bar grip.
You should sit as far back as possible during hard braking
More than 80% of bike crashes do not involve cars.
Riding on the wrong side of the street against traffic is a leading cause of accidents with cars, and one which is the fault of the cyclist.
The League of American Bicyclists recommends proceeding carefully against a red light if the street trigger does not react in a reasonable amount of time.
Children make up about a third of all the bicycle related fatalities in the U.S.
The Quick Stop, Rock Dodge, and Instant Turn are safety maneuvers in the LAB bicycle safety program.