Camp 20" Folding Bike Shimano 16 Speed, Thunderbolt 20 inch folding bike easy to fold and unfold with magnet. Shimano Altus 16 speed rear derailleur Alloy seal bearing hub,cassette freewheel 12-32T Folding bike with adjustable kickstand,and fender,rack The foldable bike frame with small rubber protector to avoid scrath the paint when fold the bike.