The electric bike (VAE), more commonly called electric bike, is spreading more and more because it is an ideal means of transport for getting around town or going for walks in the countryside.
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The first question to ask yourself is: Why will I buy an electric bike? For what use?
You should know that there are several categories of electric bikes: some are folding and thus take up little space in the trunk of a car, in a boat, in the hold of a motorhome or on a balcony, others are specialized for urban or rural routes, and finally others are more sporty and are real mountain bikes with electric assistance.
Choose the type of electric bike. It would help if you analyzed the technical characteristics of specific components that will influence the comfort of use, the autonomy, the level of assistance you want, the sensations experienced during driving, the practical aspect of using certain accessories, etc.
You have to analyze two aspects: who is the manufacturer of the battery and what are its technical characteristics.
It would help if you prefer the big names: Samsung, Sony, and Tranzx, which have recognized experience manufacturing batteries for electric bicycles. These batteries will certainly be of good quality, but if possible, choose a battery directly from Samsung or Sony.
Types of battery: there are several (lead, lithium-ion, etc.). Nowadays, all batteries for electric bicycles are of the lithium-ion type because it is the latest, most reliable and most efficient technology. In addition, storms of this type are less heavy, have no memory effect, can be recharged between 600 and 1200 times and worn out.
It depends on two factors. The voltage expresses in volts (V), and the capacity expressed in amperes/hour (A/h). There are several voltages, but the most common today is 36 volts for electric bikes. Then the power can vary between 8 Ah and 15 Ah, and it is this last parameter which will have a significant impact on the autonomy of the electric bike: the higher the number of amps/hour, the more the number of kilometers you can doing without recharging the battery will be necessary. Examples: with a 36 V and 8 Ah battery, you can drive an average of around 30 km. With a 15 Ah battery, you will be able to travel up to about 80 km, all other things being equal because apart from the characteristics of the battery, certain other factors influence the autonomy: the weight of the person transported,
The battery charges using a simple power outlet. Contrary to some beliefs, the battery does not recharge while pedaling or going downhill! Even if you don’t use your bike often, you should recharge the battery regularly (once a month) because an uncharged battery wears out quickly.
The motor power of an electric bike is limited to 250 W. For example, buying a VAE equipped with a 36 volt and 15 amp/hour battery gives a power of 36*15=540Wh. However, the manufacturer is obliged to limit the motor to 250 W: indeed, according to the legislation, if this motor power is more significant than 250 W, there would be an obligation to register the electric bicycle. Much larger traffic. Another restriction imposed by the legislation: the speed must not exceed 25 km/hour.
Note: it is necessary to pedal for the motor to come into action on an electrically assisted bicycle: pedaling sensors transmit the information to the controller, which activates the motor.
There are three possible positions: in the hub of the front wheel, the rear wheel, or the crankset.
According to specialists, the feeling is different depending on the position of the engine
There are two types of assistance which define the nature of the sensors that activate the motor:
Electric bikes are trending mostly in this generation. They are growing very rapidly. Indeed, it is economical, ecological and good for health. But what are the criteria to take into account to choose the one that meets your needs.
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