Aluminum alloy material, surface tiny texture black treatment, with locking mechanism, can be safe and anti-theft, rain and dust proof, without changing the original appearance of the pickup, and can retain the original roll bar. It is the first in China to use rare earth alloy involute standard gears, with precision matching, smooth operation, sturdy and durable, and can load more than 250KG; The stainless steel chassis side cover is newly upgraded, resistant to high temperature and corrosion, and can effectively protect the chassis from rusting under wind and rain.