High-performance 21-speed folding mountain bike for men

Durable China steel frame with reinforced welding for superior load-bearing capacity

Precision 26-inch alloy wheels with anti-slip treads for rugged terrains

Professional Shimano derailleur system ensures smooth gear shifting

Compact folding design with secure locking mechanism for easy storage/transport

Ergonomic shock-absorbing saddle and adjustable handlebar for long-distance comfort

Multi-terrain adaptability: mountain trails, urban commuting, weekend adventures

High-tension carbon steel chain with corrosion-resistant coating

Dual V-brakes provide instant stopping power in all weather conditions

Factory-direct pricing with bulk order discounts for resellers