The Ultimate Guide for Hub-Drive and Mid-Drive E-Bikes
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The Ultimate Guide for Hub-Drive and Mid-Drive E-Bikes

When it comes to choosing an e-bike, a key defining choice is between a hub-drive or a mid-mounted motor. Each type has a variety of pros and cons, but how do they differ, and which one suits your needs best? In this guide, we'll break down the fundamentals of mid-drive and hub-drive e-bikes, explore their unique features, and help you decide which motor type aligns with your riding preferences.

 

Mid-drive and hub-drive motors

Let's start with the basics. As the name suggests, one of the key differences between mid-drive and hub drive motors is their positioning. Mid-drives are positioned at the bike's centre, right by the pedals and connect directly to the crankshaft, whereas hub-drive motors are integrated into the bike's wheel hub, either the front or, more commonly, the rear wheel.

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How do they work?

Who would think that the placement of these two motor systems makes such a big impact? There are actually a handful of factors that make each of these motors individual.

1. Balance: As mid-drive motors are centrally situated in the bike, they provide a more balanced weight distribution and low centre of gravity. In contrast, hub-drive motors are located at either the rear or front wheel hub, which may potentially impact the bike's balance.

 

2. Power delivery: Mid-drive motors work synergistically with the bike's gearing and feel complementary to the rider's pedalling, making them efficient for varied terrains. Hub-drive motors deliver consistent power, but due to the placement, it can make riders feel like they are being 'pushed' or 'pulled' along.

 

3. Sensors: Two types of sensors are used in e-bikes to deliver information about the rider's actions to the drive system. Torque sensors measure pedalling power – the amount of force the rider is applying to the pedal. Cadence sensors measure pedalling speed – and so are reliant on the rider to begin turning the pedals before the motor can be engaged. Generally speaking, mid-drive motors most often use torque sensors for a more natural riding experience, and hub-drive motors typically employ cadence sensors, which might feel less responsive. This isn't always the case, though – read on for more detail!

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    Riding experience

    But how do all these differences affect your ride? Riding a hub-drive e-bike can feel more straightforward, while mid-drive e-bikes offer enhanced control and are more adept at handling inclines.

    Mid-drive motors are known for their superior efficiency compared to hub drives, primarily due to the direct connection between the motor and the bike's cranks. With this direct link, there's minimal loss of power between the pedal and the motor, leading to faster assistance response and enhanced pedalling efficiency. Consequently, mid-drive systems often provide extended-range capabilities.

     

    Expenses

    Generally, mid-drive e-bikes tend to be the more expensive of the two, as the motor is integrated within the bike's mechanics, and the frame often requires significant adaptations in order to accommodate this electrical component. Hub motors, in contrast, are simpler in design and easier for bike developers to accommodate in their designs.

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    Maintenance

    Comparing the maintenance of the two systems is also important as they each vary in their requirements. Hub motors are easier to access, as they are built into the wheel and less costly to maintain. However, due to the mid-drive's connections with the chain and gears, maintenance can be significantly more complex and costly.

    Additionally, mid-drives, due to the centrally concentrated weight and torque system, see an increased likelihood of stress at the centre of the frame. Long term, this can affect the lifespan of the e-bike. It is important to note however that this can vary depending on the manufacturer, frame design, materials etc., and many manufacturers take this into account during their product development stage to identify and solve this potential issue.

     

    Summarizing the pros and cons

     

    Motor

    Pros

    Cons

    Mid-drive

    Excellent for steep terrain.

    Efficient power usage.

    Balanced weight distribution.

    Ideal for longer rides.

    Often pricier

    More complex maintenance.

    Potential frame stress.

    Hub-drive

    Simplicity and ease of use.

    Cost-effective.

    Lower maintenance.

    Suitable for flat terrain.

    Limited hill-climbing ability.

    Pedalling can feel less 'natural'.

    Potentially imbalanced weight distribution.


    TENWAYS' unique advantages

    At TENWAYS, we offer both mid-drive and hub-drive systems and have optimized each to maximize the advantages and minimize disadvantages for both motor types.

    Our hub drive models, including CGO600 Pro, CGO600 and CGO800S, employ highly responsive torque sensors, making for a more natural pedalling feel and smooth cycling experience, bridging the gap with mid-drive counterparts.

    We take great pride in pricing our models affordably, and this is especially significant for the mid-drive models in our City Explorer series (AGO T and AGO X), proving that mid-drive doesn't always have to be prohibitively costly. Motor type alone doesn't determine an e-bike's quality!

     

    So, which motor is better?

    It's not a one-size-fits-all answer. Mid-drive e-bikes excel in more challenging terrains, while hub-drive e-bikes offer simplicity and affordability. TENWAYS' innovative approach ensures you get the best of both worlds. Your choice boils down to your riding preferences and the terrain you're looking to conquer on a daily basis. Explore your options, test ride both, and discover the perfect e-bike for your electrifying adventures!

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