TotGuard Electric Bike, 27.5″ Electric Bike for Adults 500W Ebike 21.6MPH Adult Electric Bicycles Electric Mountain Bike,48V 10Ah Removable Lithium Battery,Shimano 21S Gears,Lockable Suspension Fork

STRONG POWER: 500W Powerful e bikes for adults electric with built-in 48V 10Ah rechargeable Lithium-Ion battery(about 5h charging time), IP54 waterproof, top speed of 21.6mph.
INGENIOUS DESIGN: Larger 27.5″ tires for riding with less effort; lockable aluminum suspension fork for less bumpy on rough roads; Front and rear reflectors, LED Headlights and dual disc brakes for safe riding; Aluminum alloy material for better durability. Sports style, streamlined matte surface, and Simple decal style built an amazing look of these adult electric bicycles.
SHIMANO 21-SPEED GEARS: Front Derailleur Shimano Tourney 3-Speed + Rear Derailleur Shimano Tourney 7-Speed; With the right gear, you can conquer any terrain with efficiency.
INTUITIVE LCD DISPLAY: This ABS LCD display shows battery, 3 assist levels, mileage, voltage, speed, and using time, allowing you to read your statistics with ease.
3 WORKING MODES: Pure electric mode, pedal-assist mode, normal bike mode. You can remove the battery to have a standard mountain bike that weighs less.