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 was born in Decatur, Alabama and raised in Chicago. Among her projects is The Earth We Share, which is an international science camp for students aged 12-16. She also hosts and is technical consultant to the Discovery Channel World of Wonders program.