Questions tagged [electric-bike]

Electric Bike (e-bike) specific issues, including batteries, controllers, chargers, and motors -- as well as the legal or social issues surrounding their use. Not for liquid fuel bike kits.

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3answers
5k views

Can I fit a 26x3.5 tire on a 26x4.0 rim?

i have a sondors bike that comes with a 4.0 fat tire. i am tring to find a street tire for my fat boy i only found one and its 3.5 not 4.0 STREET TIRE
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2answers
4k views

Exceeding speed limit with Ebike, is battery affected?

I bought a ebike and happy with it. My 30 mins ride to work every day dropped to 15 mins. But according to law in country where I live motor stops when I exceed the speed limit which is 25km/h. ...
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3answers
2k views

Center motor ebike costs more, is it worth it?

I am 90% sure that I will buy an e-bike. Today one of my friends who owns an ebike strongly suggested that I should buy one with center motor, because they are more efficient and battery life will be ...
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2answers
3k views

City Bikes vs E-Bikes with baby trailer

We moved the Denmark where the bicycle roads are extremely good and there are only a few hills. Our house a bit far from the center so my wife and I will need to ride like 8-9km to city center quite ...
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1answer
740 views

Ebike gear conversion

I have a 29" mountain bike I'm going to put a motor on. I'm going to replace the back wheel with a 26" and my question is about the gears. I need two of them in the same side to freewheel ...
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4answers
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Are electric bike speed limitations set in stone?

I'm thinking of getting an electric bike, and like most, it states the speed limit at 25Kph, which also happens to be the speed I typically cycle at. My question: is this speed set in stone? Is there ...
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11answers
47k views

Shimano Steps ebike E010 and E012 errors: DIY fix possible?

My Shimano Steps-powered e-bike is frequently but irregularly giving me the errors E010 and E012. In the E6000 Series Dealer’s manual and E8000 Series User's manual I found the following: E010: A ...
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0answers
65 views

Busettii electric questions

Anyone know which wires come out of this controller? One is not connected and I don't know where it goes! Thanks so much!]1
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3answers
1k views

Will a pedelec spoil cycling for me?

During the last few years I moved farther and farther away from work. I used to commute by bike a lot when I lived nearer to my workplace, but now it would by about 40km one way. I am thinking about ...
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1answer
213 views

Is it possible to mount Shimano Ultegra 6870 Di2 on a 2012 Cannondale SuperSix?

I was just wondering if it was possible to fit the 6870 Di2 on a 2012 Cannondale SuperSix ? It has no internal wiring. I think the 6870 Di2 has a new round long battery that only goes in the seat post....
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1answer
1k views

E Bike speeding (>32km/hr) Penalty?

In Toronto, Ontario, Canada, what is the penalty for riding an electric assist bike thatsurpasses 32 kilometres per hour on flat terrain? Also, what is the penalty for an e bike that surpasses the 500 ...
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2answers
1k views

Can anyone tell me how pedelec sensor in PAS bicycles work?

While doing a literature review I found out about pedelec sensors (while googling some sensor to find torque applied by the rider). Is anyone who has used it willing to share the mechanism and can you ...
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3answers
854 views

Which e-bike kit should I choose? Hub vs chain driven (hilly terrain)

I am looking in buying one of these budget (I am on tight budget) kits: Chain driven kit cost $100 front wheel hub kit cost $100 My bike is multi gear and where I live there are some challenging ...
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3answers
3k views

Jump start electric bike?

I bought a Huffy electric bike but I don't have charger. The person at pawnshop where was bought said I can charge it with a car, like jump start.
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3answers
2k views

Can I use 26" electric hub wheels on a vintage road bike?

I got this old road bike that I bought for $20 and fixed up a bit. I'm having to use it for a very long commute in the meantime until I can get other transportation so I was looking at a cheap ...
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3answers
227 views

What are some oft-cited benefits of electric assist on a mountain bike?

Recently, electric mountain bikes have been hyped quite a lot, and I have seen a lot of them for sale at LBSs and have even seen a few "in action" despite that I never go mountain biking (i.e. I see ...
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11answers
8k views

Electric bike rear wheel spokes breaking

I have an electric bike with a 500w rear hub. The spokes have broken twice in the last month on the hub end of the spokes.The spokes are bent at the hub end and threaded. This is where they break. As ...
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1answer
139 views

E-bike battery doesn't work anymore, where do I get this specific one? [closed]

Can somebody tell me exactly what battery this is or where I can buy it? I appreciate any help a lot! If you need more information, please let me know. Edit: This is the e-bike the battery used to. ...
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2answers
2k views

Converting from V-brakes to Disc Brake without existing mounting holes [duplicate]

I have an Electric Bike with rear brakes which are not as strong as front disc brake (countless amount of tweaks never solved it well without rubbing the wheel too much). So, I am looking at ...
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2answers
4k views

Has anyone tried this “poor mans” homemade electric bike idea?

I have a wiper motor from some car or van that has a shaft on it. When I apply 12 volts to it, with no load on it, it seems to spin at about 125 RPMs. I vaguely remember that when I load it, it can ...
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3answers
5k views

Which front and rear lights can run while charging?

I have a 52V battery pack on my krampus, which I use for commuting to work. I plan on buying a DC-DC converter with two USB outputs to run headlight and taillight. So my requirements are mostly to ...
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2answers
3k views

Kalkhoff Agattu (e-bike) Panasonic 24v engine dead - worth repairing?

UPDATE: http://www.kalkhoff-bikes.com/en/bikes/e-bike/e-activity/agattu-impulse-8-hs-8-g-1.html I went with one of the above. It's not a 2016 model though. The Impulse 2 drive is awesome. My three ...
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0answers
136 views

Bosch Nyon range estimates are unreliable

I have a Bosch Nyon computer and after charging the battery I very often get a range (in eco) of +/- 230, 220 km which is adjusted downwards by 1/3 after 1 km. When I don't have this high range after ...
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1answer
1k views

Front Hub Wheel Falling off

I have a Generic 1000 watt front hub motor and the front wheel keeps coming loose. What should I do? I think I have heard of something called a torque arm. Will this help?
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2answers
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Electric Bike Wiring?

I have a generic 1000 watt hub motor that is new and it has never been used. I ordered batteries, but I didn't have cables to hook everything up properly. I tried one battery without charging it and I ...
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4answers
2k views

Replacing quick release wheel with ebike - motored wheel

I intend to upgrade my FireFox Sniper V to electric, by replacing the front wheel with a motorised kit wheel. My question is that the wheels (both) are quick-release: is it safe to motorise this bike....
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1answer
204 views

How do I match motor and battery leads on a generic e-bike conversion kit?

This is for a "Generic Add-on Motorize Bike 48v 1000w 26 Inch Front Wheel Electric Bicycle Motor Conversion Kit." How do I find connectors to the motor and battery that are compatible before I buy ...
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2answers
295 views

The new Copenhagen wheel - a worthwhile investment? [closed]

I've been looking to reduce how much I sweat on my commute to work, and I've been looking into electric bicycles. Upon looking, I saw the copenhagen wheel: an all-in-one electric bicycle conversion ...
2
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2answers
1k views

Stepper motor for ebike

In these days I'm going to design a e bike project. I'm going to use BLDC motor for that. but normally (according to my knowledge) there are two types of BLDC motors. there are, normal BLDC motor and ...
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3answers
4k views

Electric bike: Do I need display?

I'm planning to buy an electric bike kit. However, I don't really like adding the display for aesthetic reason. However, the display (either LED or LCD) has function on/off and low/mid/high power on ...
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1answer
5k views

Electric Bike (eBike): Freewheel or Regenerative braking?

Not asking for opinion which one is better, so please do not state without some reasons why one is better than another on eBike. Question is: Freewheel or Regenerative braking is more efficient in ...
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1answer
182 views

Need Connector for Motor - I don't want to buy 50

I have no idea what I've gotten myself into, but I've bought electric bicycle motors and they didn't come with the connectors. Apparently the below link is the type of connectors I need. Is there an ...
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2answers
3k views

How to convert a commuter CX bike to an Electric bike?

I would like to convert my current bicycle into an E-bike. While there are many conversion kits available and plenty of sites with tips on this, none of them quite meet my needs, or they fail to ...
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1answer
2k views

Why is my electric bike 'clanking' under load?

I have a Giant Esprit Twist Power electric bike, which apart from not having nearly enough words in its name also has a problem related to the crank. When I put a lot of load through the pedals there ...
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2answers
257 views

Will 40km E-Bike trip in Texel Island(Holland) be hard for untrained people?

I'm planning to have a trip in Texel island(North-Holland) in April, We are a group of 5 people, 22 years old, who know how to ride a bike But we do not train on cycling. Will a trip of 40km, in 8 ...
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2answers
962 views

Bosch Nyon computer — syncs but no activities are transferred

I have an electric bike with a Bosch engine (Performance Line) and a Nyon Computer. My eBike Connect app (on iPhone) is able to connect to the Nyon (see screenshot) but no activities are ...
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2answers
666 views

Bosch Nyon and W-LAN

I have an electric bike with a Bosch engine (Performance Line) and a Nyon Computer. The Nyon is not able to connect to WPA or WPA2 password protected networks. If I remove authentication on my ...
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2answers
2k views

Do DC HUB Motors For Electric Bikes use regenerative braking?

Or do I need a special control circuit aside from the included electronics?
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2answers
422 views

What criteria should be considered for choosing an e-bike for commuting?

My girlfriend is looking for an electric bike for commuting. My question is fairly broad - What features and capabilities should we consider when choosing an e-bike for commuting? For information, ...
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2answers
1k views

tricycle engine compatibility?

Hi I was wondering if any bike engines would be compatible for a adults tricycle? An example of the bike I am talking about: TinyURL: http://tinyurl.com/otuo2d2 Thank You
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1answer
1k views

How to securely connect cable to AXA Quattro dynamo?

See the image: How do I securely attach the cable to the dynamo? I tried the obvious, threaded the cable through one of the holes in the plastic cover, and pressed the cover snugly onto the socket. ...
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3answers
2k views

Hybrid electric bikes, how do they work?

I'm about to move further away from work, so my 5.5 mile commute is going up to 12 miles (24 there and back). I'm not interested in using an elecrtic bike because I can't be bothered to pedal.. I ...
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2answers
2k views

What electric bikes are for sale in the US, and how good are they?

I am interested in purchasing an electric bike but am puzzled as to what brand is best. It seems as though most companies are importing their products from China, which is great because they are low ...
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3answers
2k views

EBike hub motor vs external motor

Some bikes, e.g. Busettii Vortex use an external motor, while others (by the same manufacturer) use hub motors. Busettii claims that external motors have higher efficiency (http://www.biyadii.com/), ...
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3answers
6k views

24V Vs 36V Brushless DC HUB Motor For Electric Bike

I am considering buying an electric bicycle using brushless DC Hub Motor. What is the difference between 24V Vs 36V motor? Is it related to the maximum torque produced by the motor? If yes, what does ...
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5answers
11k views

Why are electric bikes so expensive?

The limited selection of electric bikes available at Halfords ranges from £699.99-£1,199.99. What makes them so expensive — the dynamo, battery, or something else?
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4answers
2k views

What kind of tires should I buy for an e-bike, commuting on maintained off-road?

I need to buy a new front tire for my new e-bike. Let me give you a few of the conditions I'll be riding in, and I'd like your advice. First of all, this bike is primarily going to be used to commute ...
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2answers
1k views

What should I do to get an older bike into good condition

I recently bought a hybrid human/electric bicycle at a garage sale, and I've been working on getting it into usable shape again. It is about 10 years old, and needs some work. The battery was quite ...
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6answers
700 views

Is an e-bike more of a bicycle or more of a scooter?

With new battery technologies a new kind of "bicycle" has emerged - so-called e-bike. It usually has an electric motor on one of its wheels. The motor is powered by a rather huge (size of a small bag)...
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2answers
8k views

How much motor do I need for my electric-assist bike?

I take my twins to preschool by car, and I'd like to switch to doing it by bike. There's a hill, and we're heavy, and I'm not in great shape, so it's hard. I've done it a few times, but I always ...

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