Tianjin 21-Speed Foldable Mountain Bike for Adults
Premium high-tensile steel frame ensures durability with lightweight portability, featuring precision welding for enhanced structural integrity. 21-speed Shimano derailleur system delivers smooth gear transitions, ideal for uphill climbs and urban commuting. Foldable design with quick-release levers allows effortless storage and transport, perfect for apartments, RVs, or trunk space. All-terrain knobby tires (20/24/26/27.5/29 inch options) provide superior grip on roads, trails, and rugged mountain paths. Dual disc brakes offer reliable stopping power in all weather conditions, ensuring rider safety. Ergonomic saddle and adjustable handlebars cater to personalized comfort for long-distance rides. Sleek matte finish with reinforced alloy rims combines style with heavy-duty performance. Ideal for daily commuting, weekend adventures, or fitness routines—engineered for versatility and endurance.