20 Inch Folding Bike for Adult,Carbon Steel Frame Bicycle, 6-speed double disc brake handle height adjustable,Chain Guard,Folding and installation-fre

Details

• Folding design: lightweight, portable and foldable, easy to operate and retract, fold in 8 seconds, small size and convenient storage, space-saving, low-carbon life and stress-free travel
• Speed ​​system: lightweight riding core, sensitive speed kit, simple operation, smooth speed change, fast upshift and downshift, effortless riding
• Dual brakes: front and rear dual brakes, stop whenever you want, sensitive brake system, gently squeeze, steady brake to protect your safety
• Shock-absorbing tires: silent ultra-light shock-absorbing tires, stable grip, effective shock absorption, easy to cope with various road surfaces, speed bumps, gravel roads, muddy roads, etc.
• Waterproof and dustproof sealed middle shaft: sealed bearing integrated technology, using 3S smooth middle shaft configuration than ordinary middle shaft, more lubricated and labor-saving, sealed and waterproof, long life, easy to increase pedaling frequency