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.
Jemison blasted into orbit aboard the space shuttle Endeavour on Sept. 12, 1992, the first woman of color to go into space. She was science mission specialist on a U.S.-Japan joint mission, and conducted experiments in life sciences and materials sciences. She also was co-investigator for a bone cell research project.