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.
In 1988 Jemison completed astronaut training, becoming the first African-American female astronaut. Jemison is the first female of color to go into space, where she conducted experiments in 1992 aboard the space shuttle.