Thirty years later, mountain bike sales and mountain bike equipment account for 65 percent of bike sales in America.

You would buy apples let's say you buy 10 apples for 10.

He owns a bicycle factory!

This is an early design for this little three wheel.

The bicycle?

Bicycle.

Fell off a bike?

Bicycle or car?

His bicycle is different from this one.

There are many service points in Hangzhou.

They're coming to race in Indianapolis!

Hey! Lucas, your bike.

They're still not to where Copenhagen is, where something like 42 percent of the trips within the city are by bicycle.

Together, the floor and the ball form what's called the action reaction pair.

Your bike is better than mine.

For example, I want to use Zipcar.

Cycleway

And a bike. Right.

(bell rings)

It's a ninespeed bike.

There's a fat guy on a bike. A fat guy on a bike.

What? You can do this on a bike?

like the way you would learn a bicycle.

like riding a bicycle.

I fell off my bike.

Yeah, it was stupid. I fell off the bike.

Other than that it is essentially the same A star algorithm you just implemented.

I found a tractor fan, shock absorber, PVC pipes.

Whose bicycle is this?

Whose is this bicycle?

Whose bike is this?

Whose bike is it?

But if you don't have money, what happens?

Hi.

Well, it's a piece of junk!

Soon I'll have a bike too.

Choco... late.

This is how it looks today all traffic jam.

When a friend of mine told me that I needed to see this

Bikes are speedy and very convenient.

His bicycle is blue.

I take a bicycle.

Now on to the final question

We're practically breeding real life superheroes!

So, what do you want to do today?