Vehicle Parameter description:
| Product Type: | Dolphin PRO-M500 | 
| Size: | 16 inch | 
| Material Construction: | Aluminum | 
| Main Specifications: | 16-inch ultra-light aluminum alloy 6000 Streamline shape folding frame / 6000 Series Aluminum Fork / aluminum drivers to / aluminum folding riser / aluminum chuck-type seat bar / high braking performance aluminum V-brake System / SHIMANO within the three-speed transmission system | 
| Meet the criteria: | In line with national standard GB / meet CEN European industry standard | 
| TRANSMISSION: | SHIMANO within the three-speed transmission system | 
| Tooth plate: | 48-tooth single plate of steel teeth | 
| Crank: | Lightweight aluminum alloy crank | 
| Foot: | Bilateral gray plastic folding pedal | 
| Flywheel: | Within the three-speed freewheel 16T | 
| Chain: | KMC Chain | 
| Chain cover: | Anti-Pinch dirty double-sided tooth plate chain cover trousers | 
| Brake: | High braking performance aluminum V-brake system | 
| Tires: | 16 "* 1.2" black child white edges, building ultra-large high-pressure tire / valve nozzle type-A / V | 
| Wheels: | Oxidation surface treatment of aluminum alloy rim | 
| Joint: | Oyama effort streamline deviation styling aluminum folding device patent | 
| Bowl Group: | Waterproof rotating bowl Fork Group | 
| Hand: | Ergonomic design comfort grip | 
| Cushion: | Ergonomic high-elastic flow line saddle | 
| Appearance treatment: | Four-layer liquid coating / three-dimensional luminous crystal S / Seamless Labeling | 
| Suitable for height: | 150 ~ 175 cm | 
| Vehicle weight: | 10.5 kilograms | 
| Folding Size: | 73 * 36 * 58 cm | 
| Available colors: | 1. Charming bluestone 2. Tender and beautiful red 3. Lake Blue | 
| Ratio: | The maximum rate of transmission than three times the largest single-lap distance 3.83 meters to go | 
| Note: | Configuration subject to change without notice, all in order to prevail in kind | 
Upgraded Dolphin PRO series uses lightweight aluminum folding bicycle design, weighs only 10.5 kilograms, but in the configuration with respect there is much more variable
Delivery: Quick-release type aluminum hubs, SHIMANO within a three-speed transmission systems, ultra-light 16 * 1.2 tire, with a faster cycling speed.
 
