# data[].attributes.body
1. one billion people
around the world ride bicycles.
2.The safety bicycle used a gear and
chain system. A chain connected
gears on the back wheel to another
gear attached to the pedals. Riders
pushed the pedals to turn the back
wheel and move the bike.
3.A bicycle is a beautiful and comfortable vehicle

# data[].attributes.body
I knew that Ordinary Bicycle had a tall wheel in the front and a small wheel in back.
I already knew the safety Bicycle
I already knew that the bicycles had two wheels from the beginning.

# data[].attributes.body
1. Old bikes have one tall tire and one small tire.
2.In the past, those who delivered newspapers rode a bicycle.
3.Wheelchairs were created after bicycles for special people.

# data[].attributes.body
I didn't know that first bicycle was created in 1817
I didn't know that the pedals were added in 1840.
I didn't know that the safety Bicycle was changed in 1885.

# data[].attributes.body
1.Karl Drais built the first bicycle in 1817 .
2.I did not know that bicycles had wooden tires in the past .
3.The first safety bicycles were solid
Rubber tires.

# data[].attributes.body
1.The bicycles at the beginning did not have pedals.
2.The bicycles are many types of bicycles.
3.I did not know that bicycles were created many years ago.

# data[].attributes.body
Older bicycles have one wheel larger than the other.
I didn't know that bicycles existed in 1917.
I did not know that there were bicycles made of pure wood.

# data[].attributes.body
I knew that Ordinary Bicycle had a tall wheel in the front and a small wheel in back.
I already knew the safety Bicycle
I already knew that the bicycles had two wheels from the beginning.

# data[].attributes.body
1.The bicycles at the beginning did not have pedals.
2.The bicycles are many types of bicycles.
3.I did not know that bicycles were created many years ago.

# data[].attributes.body
1.I already knew that bicycles had two wheels and that they were made a long time ago.
2.I didn't know that 1 million people ride a bicycle and that the big wheel was in front and the small one was in the back.
3.There are many types of bicycle

# data[].attributes.body
1. The bicycles at the beginning did not have pedals.
2. The bicycles are many of bicycles.
3. I did not know that bicycles were created many years ago.

# data[].attributes.body
1.Bike designs will keep changing as people remake bikes to fit their needs.
2.Today's bicycles, like the old ones, are different because before they had wooden pedals.
3.today's bicycles no longer have a pedal.

# data[].attributes.body
1. I already knew that bicycles had two wheels and that they were made a long time ago.
2. I didn't know that 1 million people ride a bicycle and that the big wheel was in front and the small one was in the back.
3.There are many types of bicycle.