They didn't.
There are several names associated with different stages of the bicycle's development, but Leah and Sarah aren't listed.
Leah the Matriarch is the youngest of the 4 Matriarchs. There is Sarah, Rebecca, Rachel, and Leah.
armand did not invent the bicycle damien giles did
armand did not invent the bicycle damien giles did
In 1889 the Wright brothers and hillary james invented a bicycle with no gear known as (black mamba) in Africa, where the geared ones were produced by charley steinbeck in at Brazil in San Salvador in 1910
He didn't
The bicycle
Sarah, Rebecca, Rachel, and Leah
Sarah, Rebecca, Rachel and Leah.
no, Karl drais invented the bicycle in 1816 or 1817.
That is easy: he did not!
Yes he did
the ironing board