Electric bike vs e-bike conversion kit: Which works better ...

29 Apr.,2024

 

Electric bike vs e-bike conversion kit: Which works better ...

If you’re thinking of buying an electric bike, there are quite a few hurdles. First, the best electric bikes may not even be available. As with the rest of the bicycle market, there’s a chronic shortage of bikes and parts at present that has forced even professional cycling teams to recycle older components. 

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That’s exacerbated by the growing popularity of e-bikes. We’ve found some of the best electric bike deals out there, but they’re few and far between. There continues to be significant inflation in bike prices too, so it’s harder to find an electric bike that hits a price point. If you’re looking for an electric bike on a budget, you may not find them in stock. 

This brings us to the alternative: convert an existing bike to electric power. There’s a whole range of electric bike conversion kits out there which allow you to add an e-boost to a standard pedal-powered bike you already own.  

If you’re wondering which route to go down if you want to go electric, here’s a rundown of the pros and cons of kits versus complete e-bikes.

Should I buy an e-bike conversion kit? 

If you’ve got a suitable bike sitting around at home and maybe not being used that much, an electric bike conversion kit could be a great option to repurpose it and make it more useful. The candidate bike does need to be in reasonable working order though, or you’re going to be back into “can I get the parts?” territory.

A conversion kit can get your old bike up and running again

(Image credit: Bafang USA)

As we said above, e-bike availability is pretty dire at present, but conversion kits are more readily available. There’s a whole range to wade through on Amazon (look out for Bafang, which is a more established brand name), while other kits are sold direct or via dealers.

E-bike conversion kits come in a wide range of formats, so it’s worth considering which would work for you. Some like the Rubbee X simply bolt onto your frame and you’re good to go. The next tier up like the Swytch kit means replacing your wheel or hub and cabling in the battery pack and controller.

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The Rubbee X just bolts onto your seatpost and you're ready to go

(Image credit: Future)

Others like the Bafang front hub motor kit that we’ve tested are more complex and require more cabling. That kit is throttle controlled and so doesn’t comply with UK pedelec laws, so to ride it legally in the UK you need to register the bike, wear a motorcycle helmet and have a licence and insurance. It’s a good idea to check that your conversion will be legal where you live.

Yet other kits like the Pendix eDrive 300 need to be fitted by a dealer, which may negate any price advantage of converting rather than buying.

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The Bafang kit requires quite a lot of plumbing. It's not street-legal once you're done either

(Image credit: Future)

Almost all kits require a certain amount of mechanical work on your bike, so you need to have the expertise and the right tools for this. Again, this will vary depending on the kit. Replacing a wheel and routing a cable isn’t too complex, but if you need to build a motor hub up into a wheel or replace a bottom bracket, there’s another level of competence required. Taking it to a shop is an option, but will add to the price.

Check out our reviews of the best electric bike conversion kits for our experience of building up and using some of the most popular kits ourselves.

Along with legality, you also need to think about safety. A pedal-powered bike frame may not be designed for the forces applied to it by a conversion kit, risking failure, and a motor and battery will alter the bike’s balance and handling and may make them less predictable, particularly if there’s a lot of weight over the front wheel. 

Electric bikes often use specific chains and tyres that are suited to the higher speeds and masses associated with having a battery and a motor, along with uprated brakes, so you'd do well to consider these three factors at the very least before installing an aftermarket kit.

Should I buy an electric bike? 

The main advantage of buying a ready-built electric bike - if you can find one that suits your needs - is that you get the complete package without extra work. If you buy from a recognised brand, your e-bike will have been tested and have had to pass safety regulations for it to be sold too.

An electric bike like the Brompton Electric will have been engineered to work with its motor

(Image credit: Mildred Locke)

You’ve got a whole range of places to buy an e-bike and are potentially going to be able to test ride it if you buy it from a shop or secondhand. If you do buy direct or from an online retailer, you will have the right to return your purchase if it doesn’t work for you. You’re likely to have guarantees on your e-bike that won’t apply to a converted bike, while conversion will probably invalidate any existing guarantees there were on your base bike.

A complete e-bike has engineering pluses. Items like bolts to fix the wheels in place will be appropriate for the extra power that the motor delivers. An e-bike may have beefed up drivetrain components too, like a Shimano Linkglide chain and sprockets, designed specifically to wear and shift better with the higher power delivered through them by mid-mounted electric bike motors. 

It’s likely that it will be better integrated than a conversion kit, with power cables at least partly hidden in the frame and the e-bike designed to fit motor controllers and displays. Components like batteries may be enclosed in the frame rather than being bolted on. They'll also likely be easier to remove too, if designed to.

A complete e-bike will often have neat integration of the motor and components

(Image credit: Graham Cottingham)

The main argument against buying an electric bike centres on cost, as in most cases a new electric bike will be significantly more expensive than a conversion kit.

It’s also worth thinking about where you’re going to store your e-bike. If your shed is already cluttered up with bikes, will there be room for another one? E-bikes are expensive and desirable, so you need to make sure that it’s secure to prevent theft.

So which is the better option? 

Clearly, if you’re going to have to buy a pedal-powered bike as well as the conversion kit, the overall cost is going to go up. In some cases it may be significantly more than the cost of a new, complete electric bike. Plus you’ve got the work to convert it to electric assistance or are going to have to pay someone to do it for you. 

A new electric bike is going to be designed from the ground up to run electric, is likely to be better integrated and may prove more reliable. But it’s also likely to be more costly than a conversion and you may not be able to find one available to buy that meets your requirements in the first place. 

If you’re handy and have an analog bike available, a conversion kit may save you money, get you e-biking more quickly and make use of a bike that would otherwise languish unused. The conversion might be fun too. And if you decide that electric biking isn’t for you, you can always remove the kit and revert to pedal power, rather than having to sell your used bike or leaving it decaying in the shed. 

Rashi Agarwal on LinkedIn: #ev #oem #electricalvehicles

I love my father but I hated him too. here's the reason I come from a small hometown called Almora in Uttarakhand. My dad, being a dad had so many responsibilities on his shoulders - his focus was mostly that though you study, but first you get settled down, you get married and then you do whatever you want to do in life so that his responsibility gets over. When I grew up it was difficult for me to come out as He was not very comfortable with sending me out of Almora, I was struggling with this mindset because I was battling against the traditional family expectations. After graduating as a gold medalist somehow I convinced my father to let me pursue my career, and I had to fight it hard because in our families that was a concept like why do you need to work? you can just settle down in a good family and just enjoy yourself but me and my sisters were very particular about the fact that we wanted to be financially independent, we never thought of having a settled and easy life, but we wanted to create our individuality. So I promised my dad that I will come back home after completing my education, but things got changed here. I was the one to get the first placements that happened in college, but in my mind a thought was running that I had to go back home as I promised to my dad and he might get hurt after listening that I don't want to return. I knew that this is going to be the most turning point of my life. I called my dad and asked him that now that I got the job opportunity let me experience it for another four to five months, and to my surprise he got convinced again. I started working in Capital IQ and I started making money. I finally got wings and my flight just got take off and somehow life brings me to start my first startup as Letsflaunt and then second startup as Zypp , it was not an easy journey but I think I found my way around it and made it possible and yeah today I love him the most and he loves me too but one thing has changed, he is the most proud dad today and my biggest motivator.

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