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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.

39
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10answers
13k views

Why do the majority of people on an ebike ride at a fairly low cadence?

Around the place where I live the electric bicycle is gaining popularity and it's easy to pick those on such bike from far away not just from posture (rather stiff upper body even on steep hills) but ...
39
votes
5answers
10k views

Why do e-bikes need dedicated tires?

While shopping for new tires on my bike, I saw that some dealers had a specific section for e-bike tires, where the various brands production for e-bikes was present. Why do e-bikes need dedicated ...
30
votes
15answers
12k views

Why aren't electric bikes mainstream?

I've lived in different cities in Europe and Australia, and I noticed more and more the creation of bike lanes, and increases in bike commuters. Still, the number of eletric bikes in the streets is ...
24
votes
2answers
7k 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 ...
18
votes
5answers
10k 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?
15
votes
4answers
2k views

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 ...
14
votes
4answers
1k 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 ...
12
votes
5answers
2k views

Are there reasons not to use always the max level of assistance?

I'm using an electric bicycle to go to work. My goals are: Not to arrive late Not to sweat (too much) My bike, like most e-bikes I guess, let me choose the level of electric assistance that I wish. ...
11
votes
8answers
18k 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 ...
11
votes
2answers
925 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 ...
11
votes
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 ...
10
votes
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 ...
9
votes
6answers
646 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)...
9
votes
2answers
3k 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. ...
8
votes
3answers
1k 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 ...
8
votes
2answers
2k views

Should I consider buying a velomobile as my daily commute vehicle instead of a bike? [duplicate]

What are the advantages/disadvantages between a (possibly electric) velomobile and a regular bike when in daily use?
7
votes
4answers
345 views

Why would I use an electric bike?

I live in an extremely flat city that lies about 15m above sea level. One has to drive an hour or two to reach even rolling hills. Several decades ago, I rode quite a bit, and accumulated a decent "...
7
votes
10answers
4k 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 ...
7
votes
3answers
588 views

Understanding e-bike power/torque

In the UK e-bikes are currently limited to a maximum of 250W assistance if you wish to use them on public roads. However, it seems that the motors do vary in terms of the available torque - from ...
7
votes
1answer
418 views

Why do most E-MTBs have 1x drivetrains?

I'm contemplating about getting an electric assist MTB but as much as I can see all (or at least majority) of e-bikes are equipped with 1x transmission. Is there a reason why there are no e-bikes ...
7
votes
2answers
390 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, ...
6
votes
5answers
7k views

Can I use an RC motor to make my bike electric?

I would like to make my ebike to have the minimal look, so adding big hubs or mid drive motors isn't really an option since it also costs more. I found this Keda brushless outrunner 2000w 190KV motor ...
6
votes
3answers
2k 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 ...
6
votes
2answers
2k 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 ...
6
votes
1answer
4k 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 ...
5
votes
3answers
385 views

Experience biking with child trailer during winter?

What's your experience biking with child trailer during winter in the city? I live in Cracow, Poland. Recent winters were almost snow-less, but it's <0°C cold and slippery anyway. I am used to ...
5
votes
3answers
2k 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 ...
5
votes
1answer
155 views

E-bike drivetrain demagnetization

I've heard conflicting reports that demagnetizing drivetrain parts to prevent metallic debris sticking is a real thing I'm supposed to care about when servicing e-bikes, but I can't find anything ...
4
votes
5answers
2k views

Could the E-bike drivetrain wear down till needing replacement after 400 km?

The drivetrain (chain? gears?) of my E-bike started to make loud clicking sounds, with the impression that the chain is skipping over teeth. The gear switching itself still works well. I have tried ...
4
votes
3answers
3k views

Charging eBike Battery with Solar

I need some advice / info on solar charging an eBike battery. We have two RadRovers from Rad Power Bikes. They are powered with a Panasonic Dolphin 48V, 11.6Ah Lithium-Ion battery https://www....
4
votes
1answer
1k views

Increasing e-bike battery range by limiting speed

Can I get more range out of my e-bike if I put a speed limit on it? I got my bike a few days ago and I really am enjoying it. As of now I am getting about 35 km per charge. So I was wondering if I am ...
4
votes
3answers
734 views

How do you measure return on investment (ROI) for an electric bike?

As we consider an e-bike vs. a car purchase, I'm trying to assess return on investment (ROI). My cost factors are, in order of priority, time, money, and carbon footprint. My commute I travel 20 ...
4
votes
2answers
4k views

Bosch battery stopped charging

It is a Bosch powerpack 500 and the other day it stopped charging. The charger seems to have some output since one of the LEDs on the battery lights up. It is only one LED though and I believe I ...
4
votes
2answers
2k views

What is the process of adding a light to a Yamaha PW equipped ebike?

I recently got a bike with a Yamaha PW system. The bike computer has a light on/off button but the bike itself has no light and I want to add one. How do I do this? From what I understand, I need a ...
4
votes
2answers
150 views

How much is average annual maintenance of a mid-range electric bike?

I'm considering buying a mid range e-bike for commuting (3 miles one way, all city road/bike lane). it's about £1000 to buy the bike, but how much is it to service the bike? I don't need an exact ...
4
votes
1answer
336 views

How to extend a chain for a cargo bike?

I have a KMC x10e chain which is 162 links long on my Xtracycle electric cargo bike. The chain is worn and I am trying to replace it. From what I can tell it is available only in 136 links. Is the ...
4
votes
3answers
4k 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 ...
4
votes
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 ...
4
votes
2answers
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/), ...
4
votes
1answer
988 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 ...
3
votes
2answers
2k 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.
3
votes
4answers
1k views

My 1000 watt rated hub only pulls 6.7A (321.6 watts @ 48v) suggestions?

I am a big boy (~230lbs) living on a mountain. My 1000 watt electric hub powered by 78 18630 Lion batteries in 13 cells barely moves me level let alone up a hill (which was its intended purpose). I ...
3
votes
4answers
233 views

How to commute by (electric) bike in excessive heat

I am from India and this is beginning of summer. I rented an electric bicycle for daily commute during winter but now it is difficult to do during summer screeching heat. What should I do to continue ...
3
votes
3answers
1k 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 ...
3
votes
2answers
342 views

Should I lubricate a BBS01 clutch?

I am completing the rebuild of a BBS01 electric bike mid-drive motor from Bafung. Would like to lubricate and protect every part properly before reassembly. Should I lubricate the clutch and if so ...
3
votes
3answers
1k views

Can e-bikes speed up my commute? Which class?

I have a daily 15 mile commute (1-way) which takes me approximately 1hr 15 min each way if I bike (taking into account traffic signals and so on). The route is all surface roads, with some mild hills. ...
3
votes
2answers
2k 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 ...
3
votes
1answer
789 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?
3
votes
2answers
383 views

Any knowledge on LaFree Electric Bicycle?

I have this LaFree Electric Bike, all I really know about it is that it was made by Giant. I am an Electrical Engineering student and I am looking at bringing new life into it, would it be worth ...
3
votes
2answers
561 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 ...