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EBIKES

EXPLAINED

The ebike trend is booming now more than ever. Find what makes the latest and greatest ebikes tick, Read on!


The Motor

These are pedal assist electric bikes which must be pedalled to engage the motor. When you start pedalling the advanced on board computer will read multiple motion and torque sensors which will then instantly and seamlessly engage the powerful 250w motor for extra power, this will automatically cut out when you stop pedalling or brake. This enables ultimate control which rides very similar to other bikes but with the feel of gale force tail wind and a rider with the biggest grin. The bikes are restricted to 25 kph so the motor will only assist up to this speed (which is a pretty fast climbing speed), there are however differing torques which provides that power for heavier riders or steeper hills. There are also different motors which can be mounted in different positions


Hub motor (front)

This is the smallest motor option with a lower torque so expect less power on steep hills however it is generally the least expensive and lightest option. It powers the front wheel so coupled with your rider pedalling which drives the rear wheel your get an very similar speed coming from both wheels simultaneously. The balance is great for road and path use but the wheels are feel heavier when on uneven terrain.


Hub motor (Rear)

These are situated on the rear hub and work on the same principal of the front hub. These are typically larger and heavier but carry an increased amount of torque power meaning these are great for heavier riders or in hilly rides.

The power comes from the rear wheel so combined rider pedal power the and the motor power is transferred to the same spot (the rear wheel) this give a very realistic feel of the power coming from the rider. As the weight is very much on the rear wheel the balance is great for road and paths but not as balanced for off road.


These are found on nearly all off road bikes as the positioning of the motor is in the centrally positioned giving supreme balance which is crucial for off road riding. The crank motors are what has revolutionised the e-mountain biking as they are very powerful with perfect balance. Crank motors really do give the feel that the power is all generated by the rider and with the high torque capacity the hills become a joy to ride up.



Batteries



Most batteries are 36v lithium-Ion (check individual specification) which is commonly used in laptops and mobiles and these come in a range of sizes from 300Wh to 600Wh, the higher the Watt hours the longer the range. The range of the bikes can vary and although the manufacturers testing could be over 200km this is dependent on many variables including but not limited to;

  • Weight of bike and rider
  • Speed
  • Gradient and terrain
  • Tyre pressure and size
  • Gear selection
  • Motor assist selection
  • Wind direction and wind speed
  • Outside temperature
  • Rider pedal power

  • Typically for a 400Wh battery you could expect to ride between 20-60 miles, but with sensible gear selection and lower motor power assistance they can go much further. The mounting location of the batteries is most commonly situated on the downtube as this provide the optimum balance however some models have a battery mounted on a panier rack over the rear wheel. E-bikes are now available with a integrated battery in the downtube offering a discreet and more aesthetically pleasing look.

    Head unit interface

    All e-bikes have controls to adjust the level of assistance whilst riding this can range from no assistance to a very high amount of assistance (up to 300% of your pedal power).Many e-bikes come with a head unit display which can feed back information such as;

  • battery status
  • speed
  • torque
  • cadence
  • mapping
  • odometer
  • range trip distance and time
  • average speed
  • All e-bikes have controls to adjust the level of assistance whilst riding this can range from no assistance to a very high amount of assistance (up to 300% of your pedal power).Many e-bikes come with a head unit display which can feed back information such as;


    ROAD/HYBRID

    EBIKES

    Built for fast speeds and efficient riding. go miles further with an e hybrid or road bike.



    Road/Hybrid

    These are the best suited for riders wanting to ride on roads and smoother paths, the rolling resistance of this style of bike is generally lower and therefor the range should be longer. These can be available in either hub or crank motor and would often be lower in motor torque.


    FULL/FRONT SUSPENSION

    EBIKES

    eBikes are more and more suited to off-road riding. Early e bikes were heavily weighted towards the front or rear. New models are lighter, stronger and have much better weight distribution.



    Mountain Front Suspension

    If you want to hit the trails then the MTB but keep an element of pedal efficiency for the daily commute then a front suspension would be the obvious choice. The majority will be crank motors with the battery centrally mounted on the down tube for stability with a high motor torque.



    Mountain Full Suspension

    Primarily aimed at the trail rider these are supremely capable off road bikes with all the benefits of the full suspension with none of the negatives. These are also used by none trail riders who simply want the ultimate comfort for the longer rides. Full suspension bike range from the lower travel cross country all the way to the full on downhill gravity bikes. Typically these will be crank driven motors with a centrally mounted battery on the down tube for stability with a high motor torque.