Adopted front and rear dual disc braking system, fast heat dissipation design, reduce bike brake reaction time, ensure emergency braking, smooth braking, more safe and reliable. 886 LCD meter, can display speed, power, mileage, gear, full display function, clearer in the sun; with cell phone USB charging port, you can charge your cell phone at any time. 20 x 1.95 inch wheels constructed from lightweight aluminium alloy with a sturdy six-axle design for stability.