Not for highway use. 1  16 in. diameter. 2  Pneumatic replacement tire for tough terrain. 3  Heavy-duty ball bearings, grease fitting and 5/8 in. bore.  Universal adapter kit includes flange bearings and nylon wheel spacers to accommodate 5/8 in. and 3/4 in. 1  axles. Compatible with most brands.  Ribbed tread.
Mae Jemison is famous because she was the first African American women to go to space.
Mae Jemison (born October 17, 1956) American physician and NASA astronaut known for being the first black woman to travel in space. Marie Maynard Daly (April 16, 1921 â October 28, 2003) The first African American woman to earn a Ph.D. in Chemistry. American inventor and engineer, best remembered for his invention of the multiple-effect evaporator. American ophthalmologist and inventor known for being the first African American woman doctor to receive a patent for a medical invention.