Shenzhen Qingmai Bicycle Co.,Ltd
Shenzhen Qingmai Bicycle Co.,Ltd
Shimano 21 speed electric bicycles
  • Shimano 21 speed electric bicycles
  • Shimano 21 speed electric bicycles
  • Shimano 21 speed electric bicycles
  • Shimano 21 speed electric bicycles
Shimano 21 speed electric bicycles
Shimano 21 speed electric bicycles
Shimano 21 speed electric bicycles
Shimano 21 speed electric bicycles
Shimano 21 speed electric bicycles
Shimano 21 speed electric bicycles

Shimano 21 speed electric bicycles

$358.00 - $396.00/Piece/Pieces
Min. Order:
100 Piece/Pieces
Min. Order:
100 Piece/Pieces
Transportation:
Ocean, Land, Express, Air
Port:
Shenzhen
Quantity:

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Basic Info
Basic Info
Place of Origin: China
Productivity: 2200pcs / Week
Supply Ability: 2200pcs / Week
Payment Type: L/C,T/T,D/P,D/A,Paypal
Incoterm: CIF,EXW
Certificate: CE,FCC,Rohs
HS Code: 8711600010
Transportation: Ocean,Land,Express,Air
Port: Shenzhen
Product Description
Product Description

Past and present life of electric power assisted bicycle(3)


In fact, as early as more than a hundred years ago, people began to consider how to solve the problem of fatigue caused by Electric Bikes For Adults. At the end of the 19th century and the beginning of the 20th century, Electric Bicycle with fuel assistance appeared. Of course, later, this kind of car gradually lost its pedals and became larger and larger, becoming the ancestor of motorcycles, Electric Mountain Bike. Until the end of the 20th century, the world's first Foldable Electric Bike (Pedelec) was born in Yamaha, and then Panasonic, Sanyo, Bridgestone and Honda also launched products with similar technologies.

Electric bike

Europe, as the center of global bicycle culture, sees the development of Japan, Subsequently, Bosch, bloom and continental of Germany also followed up and launched the corresponding pas (power assist system) to promote the electric power assisted bicycle (Pedelec) popularity in Europe. 

electric bicycle
Because there is a high technical threshold for the perfect hybrid of power and manpower, in Japan and Europe, enterprises related to automobiles and batteries are generally engaged in the research and development of "power assist system" technology, which is difficult for other enterprises to enter.

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