Crystalyte Sparrow 4820 Electric Bicycle Conversion Kit
The Sparrow 4820 Electric Bike Conversion Kit turns your favorite pedal bicycle into a great non-polluting commuting vehicle. With the Sparrow 4820, you don't need to know anything about electrical wiring. We ship your system already wired for a fast, easy installation. Just replace your standard front wheel with our electric wheel, attach the throttle and cruise control (optional on some models) to your handlebar, attach the power bag to your rack (rack included), plug in the connectors, and ride. The Sparrow 4820 48-volt system is available on 16, 20, 24, 26 inch front wheel.
* No license, no insurance, no parking problems. Ride anywhere you can ride a pedal bike.
* Use the motor alone, pedal, or use both at the same time.
* Batteries and charger included. This is a complete system; nothing else to buy.
The Sparrow is a brushed motor boasting power and speed that surpasses systems on most ready-made electric bikes. Turn almost any bicycle into real electric transportation with the Sparrow system. This is the simplest system we make, using a brushed motor and a compact controller.
Sparrow front motors are available on 16 inch, 20 inch, 24 inch, and 26 inch wheels. Rear wheels are available by special order. Dropout width is 100mm for front wheels and 135mm for rear wheels. The axle is 9mm in diameter. Sparrow motors are 90 mm wide, extending 65 mm up the fork from the axle. Weight is 15.5 pounds laced to the rim.
Crystalyte kits include an electric motor mounted in the hub of the wheel, speed controller, key switch, connectorized wiring, fuse, batteries, charger, throttle with gauge (thumb or twist - your choice), wire ties, rack, battery bag, cruise control, brake inhibits. There is nothing else to buy. The entire kit comes pre-wired.