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.
Alma Mater: Stanford University. Current work: Leading the 100 Year Starship, a government-funded project to plan the next 100 years of interstellar travel. Growing up in the southside of Chicago, Mae Jemison was always curious about space. After graduating from Stanford University, she became a medical doctor and worked in Liberia and Sierra Leone as the Peace Corps medical officer.