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E.BIKE FAQs

UNDERSTANDING WHY E.BIKE

Here are some great articles about e.bikes as well as our blogs

 

VOLITION News & Blogs

What Is an E-Bike? Here’s Everything You Need to Know

UNDERSTANDING THE POWER

There are mainly two motor systems on the market

 

New e-motor and battery trends from Eurobike 2019: Amprio, Bafang ...

[Mid Drive]

  • Produces a lot of torque utilising the bike’s gear system; better for the hill climbing and efficient riding. All premium e.bikes use mid drive systems
  • Light weight, centred and a part of the frame; thus, no negative effect on the suspension performance
  • Riders need some hours on the bike to learn and understand how it works
  • Puts the stress on the bike chain; however, internal gear systems in general can solve this issue.

 

 

[Hub Motor Drive]

  • Affordable & popular on entry level e.bikes
  • Impose no stress on the drive system by not using them …
  • Not so much torque; poor leverage. Imagine grabbing the hinge of a door to open it instead of the door nob
  • Unsprung mass which means it negatively affects the suspension performance
  • Tyre / tube change is a hassle
  • Boring …

 

 

[ What do we love mid drive motors ? ]

  • better suspension performance, better handling, better weight distribution
  • very natural pedalling feeling
  • power! mid drive motors are more powerful /of more torque than hub motors.

 

UNDERSTANDING THE Battery /RANGE

What is an E.bike battery ?

Voltage = Power

The controller & battery really determine the power level of an e.bike; not necessarily just the motor. The controller draws the current. The battery holds the charge (voltage).  The broad conclusion is that the higher the voltage, the more powerful the e.bike is

This is why you will notice the power decrease as the battery holds less and less energy during use. A freshly charged battery is in its most “potent” condition.

 

Watt.Hour = Range

The misconception is that ampere.hour (Ah) is the battery’s duration. Watt Hour (Wh) is in fact the correct measure of size for a battery. In an approximate estimation, you can travel 5-20km for every 100watt-hours, based on an average of mixed levels of power and variation of terrain. Our numbers are real world figures based on customers’ feedback.

 

E-Performance;

Like all things, batteries vary significantly in quality and engineering.  Some are just unsafe and scary. Firstly, the battery cells are not made equal. Cells are “farmed” and there are Grade AAA and all the way down to Grade C. The prices vary drastically. Unfortunately,  almost all highest grade battery cells are grabbed by car manufacturers in their exclusive deals. Premium E.bike batteries are made from Grade A or A- or B+. Cheap batteries tend to use lower grades of cells that tend to die prematurely or the power is lacklustre. One analogy is that if a restaurant wants the best grade of vegetables from the farms, it has to pay for it.

A battery is in fact made of lots of cells.  What determines the battery’s overall duration and safety is how they are connected together.  We have spent huge amounts of time researching and visiting battery factories. One can assume that the longer time the production line spends on a single battery, the better & safer the battery will be. More time = better results. We have very strict instructions and protocols with our partner factories as to how our batteries are assembled . We make sure that each and every single battery that we sell is as safe as possible. Sadly, we have seen a great number of unsafe batteries purchased cheaply online.

 

Battery charging;

One common question we get is that should I care about how I am charging the battery. Modern (our) e.bike batteries have a BMS computer board inside to regulate the charging, discharge and prevent over charging and over-use. It also balances the voltage level of each cell. So with our premium BMS. The answer is “no need & just charge it whenever you feel like”.

The charger determines the speed of charging. Fast charging is convenient. But it decreases the longevity of the battery because the “charging” is in fact putting the stress on the battery cells. The faster the charging, the more stress the cells have to bear. If you are not in a huge hurry, a 3 or 5amps charger will do the job just fine.

 

UNDERSTANDING THE VOLITION VALUE

Volition is a direct sale company mainly focusing on the engineering of the products.

 

We offer

  • Value of money
  • Australian engineering
  • Great after-sale service
  • Power !
  • Custom builds

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