The tanks each had a single bladder installed by the late Dave Zieger, in a fiberglass shell supported by the fill neck and a molded fiberglass body housing and a flat thin magnesium plate beneath the tank, braced by two steel straps hanging from the top rails of the frame. Following the crash, numerous erroneous accounts described the tanks as oversized, some claiming they held upwards of .
Each tank was fitted with a single bladder installed by Dave Zieger in a fiberglass shell supported by the fill neck and a molded fiberglass body housing and a flat thin magnesium plate beneath it, braced by two steel straps hanging from the frame's top rails. Following the crash, various incorrect reports indicated that the tanks were oversized, some suggesting they could hold more than .