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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.

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4 votes
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Would electric shifting improve Shimano Alfine 8 ebike durability

I'm considering buying a powerful e-bike (Zen Photon Pro) and installing a Shimano Alfine 8, but I'm worried that the powerful mid drive motor might damage the hub. Would using Di2 electric shifting ...
Peachy's user avatar
  • 167
0 votes
0 answers
33 views

Motor makes a very strong grinding noise under specific conditions

I recently bought an EUENI FXH009, very affordable chinese ebike. I'm very happy with it, it's very nice for the price but there seems to be some kind of problem with the motor. When accelerating ...
user78213's user avatar
3 votes
1 answer
63 views

hitch for trailer for ebike

I just recently bought a TerraTrike Maverick with an EBO 48v Cruiser e-bike kit. And even more recently bought a dog trailer, that I THINK came with parts standard for a non-ebike... or at least a ...
Daveh0's user avatar
  • 263
4 votes
1 answer
168 views

COB type "be-seen" lights powered from external pack (USB or 12v ebike power)

this question is about the many small and light usb-rechargeable COB "wide strip" type lights which have a day-flash mode, for all-round DRL type visibility in bright sunlight. I've ...
Ian's user avatar
  • 41
2 votes
1 answer
60 views

Motor sometimes not engaging on a moustach lundi 27.5 with bosch performance line motor

The issue I'm encountering sounds similar to Riese Muller with Bosch performance CX not engaging immediately - but may be slightly different. In a little more detail: The bike usually starts fine, but ...
Chozabu's user avatar
  • 178
1 vote
2 answers
216 views

Is it possible to use a smaller width tube to fit a significantly larger width tire?

Would a 20"x1.75"x2.25"width tube possibly work on my 20x4.0" fat tire E-Bike??? I was hoping that I could temporarily use this tube just to get up to the store to buy a 20x4.0&...
William D Hammett's user avatar
1 vote
1 answer
50 views

What are easy connectors for ebike lights cables?

Yesterday I went back to my office bike shelter to discover the light mounting tab is broken, so I can see very well what is lying on the right side of the road, but not the road itself. Luckily, a ...
EarlGrey's user avatar
  • 3,722
10 votes
6 answers
2k views

Alright to leave or use electric bicycle in rain

Are electric bicycles waterproof to the extend that we can leave them in the rain for a day or few or ride it in rain or wash it with a standard home hose on normal pressure and soap?
Suited's user avatar
  • 207
0 votes
0 answers
40 views

Electrical Assistance Control Unit Malfunctioning After Accident

Recently, I was involved in an accident while riding an o2feel electric bike. Since then, I've been experiencing some issues with the bike's electrical system. When I pedal forward, the bike emits ...
SADALI Mohand's user avatar
2 votes
0 answers
104 views

Is it possible to add the hardwired Garmin eRTL615 to the Specialized Turbo Vado 4.0?

I have a Specialized Turbo Vado 4.0 Step-Thru. I'd like to add a Garmin rear radar unit to it. While the battery-powered RTL515 should work no problem, the ebike-specific, hardwired Garmin eRTL615 ...
orange80's user avatar
  • 121
0 votes
0 answers
51 views

Standards in e-bike electrics

The research I've undertaken seems to lead to this statement, "There are no standards in e-bike controller wiring", it's a free for all! My question is: Is there any organization pushing for ...
AndrewB's user avatar
6 votes
4 answers
970 views

E-bike battery placement on the seat tube

when reading articles about location of battery placement on e-bikes, i don't seem to find seat tube being discussed anywhere. This is however exactly where Ecoride, a Swedish e-bike brand, places ...
InternazionalIV's user avatar
1 vote
2 answers
128 views

Does attaching a trailer to a dropper post damage it?

I would like to purchase a trailer for my new bike. It is a Canyon Spectral:ON CF7 with a dropper post/telescopic saddle. My goal is to go shopping for groceries with my bike. Now, I had a trailer for ...
eckh_ma's user avatar
  • 13
0 votes
2 answers
62 views

fried e-bike controller. replaced with stock part but still doesn't work

I fried my e- bike controller (jasion) but when I replaced it my bike still doesn't work. I have double checked all the connections and think that maybe the display is the problem. HELP!
Max Downs's user avatar
4 votes
2 answers
201 views

Ebike-pedalling too fast

I have a Basis Osprey folding bike. It has a rear wheel hub and small wheels as per most folding bikes. It was a gift so please don't suggest I bought the wrong bike. When going along in full power on ...
Stephen Hailes's user avatar
2 votes
2 answers
193 views

Finding a battery for an old e-bike

I have an old Raleigh stow e way folding bike e-bike but sadly the battery has died. I’ve tried to replace it but can only find used ones on eBay which might not last long. Battery is labelled: Li-ion ...
Debbie Perry's user avatar
1 vote
0 answers
37 views

Choosing a battery for my motor/controller

I'll keep this concise. While I'm pretty overwhelmed with all the reading I've been doing, I believe I'm close to making a decision and need a sanity check on the following: I purchased a Bafang ...
deefofum's user avatar
0 votes
1 answer
74 views

E-bike stuttering up hills

Electric bike keeps stuttering going up hills only happened after a ride out in the rain could this have something to do with it
Barrie's user avatar
  • 1
1 vote
1 answer
98 views

1999 Giant Lafree Electrik, Only the diagnostic red light comes on. What is the problem?

When I turn the bike on, the five lights that indicate charge status flash red and then go out with only the red diagnostic light remaining lit. I ran the diagnostic checks and all items in the check ...
Bill's user avatar
  • 11
1 vote
0 answers
38 views

Need help with Columbia Lauderdale electric mountain bike

I was recently riding my bicycle, and hit a speed bump when it turned off under me. I checked out the bike and in the front motorhub there was a silver wire coming out of the bolt part. It looks sort ...
Gino Jinx Torres's user avatar
2 votes
1 answer
221 views

Replacing Tektro MD-M280

I have a Lectric 2.0 ST ebike and it seems it is hard to find a good replacement for its Tektro MD-M280 calipers. I was wondering if the Tektro MD-C550 could be better as this model is dual piston but ...
Jose's user avatar
  • 121
2 votes
3 answers
189 views

How much protection would a motorcycle jacket provide in a low speed, ebike accident?

How much protection would a motorcycle jacket with CE certified body armor provide in a sub 20mph/32kmh, ebike accident? I'm particularly interested in the following scenarios: A car running a stop ...
Peachy's user avatar
  • 167
0 votes
0 answers
44 views

Has anyone tried the ElectricBikeWheel 350 w internal battery product?

Looking for a Bare Bones ebike conversion system. I'm very interested in the electric bike wheel 20 inch 350 w front hub motor that is completely self-contained. It seems to be exactly what I'm ...
Michael's user avatar
  • 71
3 votes
2 answers
288 views

Fitting an additional rear light to Bosch ebike

I'd like to increase my visibility on my Tern GSD, particularly in the winter months, by adding a second rear light. Rather than using a light that requires charging, I was hoping to connect another ...
Tom White's user avatar
1 vote
0 answers
56 views

I need a battery for a Bulls Alpine Hawk bike that I bought used [closed]

I bought a Bulls bike and the battery would take an OK charge. After several months I charged the battery with the cables provided. I took a 15 mile ride and my average speed was 11mph. I'm now trying ...
Renee Woodard's user avatar
1 vote
0 answers
45 views

Locking option for a 100mm quickrelease?

I recently got a Ride1Up LMT'D, and it came with a quick release for the front wheel. According to their support, it's 100mm wide, and I can't seem to find a 100mm pinhead or similar product :( Any ...
Yuvi's user avatar
  • 111
3 votes
2 answers
171 views

Cruiser handlebar rotating because clamp not strong enough

My new cruiser handlebars rotate no matter how much I tighten the clamp on my electric bike. The bike is a Lectric XPremium: https://lectricebikes.com/products/xpremium-black Here is the handlebar: ...
jon_le's user avatar
  • 33
0 votes
0 answers
68 views

Two click sound when pedaling, chain delayed engagement

Hi All! New owner of Giant Explore E+ here. Just into the first 100 miles. I noticed my bike is making a clicking sound when I start pedaling from static or freewheeling. This happens both when motor ...
rigor's user avatar
  • 1
3 votes
1 answer
120 views

What kind of Julet cut off plug is this?

I own a NCM Moscow that uses a Tektro EL555-RT with this Julet 2pin connector I would like to replace the braking system with a hydraulic one however I simply can't find brakes with this connection, ...
Sandro Antonucci's user avatar
3 votes
1 answer
671 views

Full face helmet on E-bike

I am thinking to try a full face helmet on my E-bike for cold weather commuting. The main reasons would be the ones people consider for using the skiing helmet (a summer optimized helmet is too cold ...
nightrider's user avatar
  • 7,899
1 vote
1 answer
148 views

I have a still boxed Viribus 26" rear-wheel ebike kit - I'd like to remove its pre-fitted gear cogs and fit wheel with motor to front forks instead

...the Viribus kit's motor(kit bought via Amazon) is of the slim but wide-diameter kind. My eyes and calipers suggest to me that if the gear cogs are removed the motorised rear wheel axle should quite ...
Paul Govan's user avatar
5 votes
3 answers
104 views

Best type/designation of 2-strand wire to buy in bulk for generator and ebike lights

As a US-based shop mechanic, every time I try to buy 2-strand wire that can do the same things as what comes with generator and ebike lights, it gets deceptively complex. A lot of what's out there ...
Nathan Knutson's user avatar
1 vote
1 answer
67 views

Can I add a front shock or suspension to my Retrospec e-bike?

Is there a way to add a front shock/suspension to my Retrospec Valen Rev bike?
Judit's user avatar
  • 11
2 votes
3 answers
2k views

E-bike motor stopping momentarily during steep climbs

I have a Batavus Zonar 2020 e-bike, Yamaha motor, 10 gear cassette, 5500km of use. Recently the motor has stopped working momentarily during very steep climbs - it just shuts off for a second then ...
Amarth's user avatar
  • 171
-2 votes
1 answer
141 views

Carrera impel IS1 scooter

customer brought in carrera impel IS1 scooter and its pretty new. Max speed should be 15.5mph at the moment it goes just under 10mph. New motor, new ECU been fitted. Is it something to do with the ...
Virmantas's user avatar
2 votes
1 answer
375 views

Using 4 inch tube for 3 inch wheel

fellow bicyclists. I purchased an e-bike (Clou Tumbler) and its back wheel is 20x3.0 I overpumped air into it and the tube blew up, so I've been trying to find a replacement, only to realize its ...
Sergei's user avatar
  • 21
3 votes
3 answers
1k views

Find replacement battery for this e-bike

My ebike battery totally died today. I can't find the model number for the battery as it is not written anywhere. Here are the pictures:
user1034912's user avatar
0 votes
2 answers
1k views

SHIMANO STEPS(VOODOO ZOBOP 2019) ERROR E014 best solution?

customer dropped his voodoo zobop E7000 2019 bike, previously had E013, after huge firmware update E013 changed to E014 error code, apparently ECU not receiving signal from the battery...!? Would ...
Virmantas's user avatar
3 votes
2 answers
399 views

How can I increase ebike drivetrain reliability?

I'd like to improve reliability and have fewer problems with my drivetrain. What more can be done? I have an electric bike. I only ever use the six smallest sprockets on the 12-speed cassette, even ...
Tom Brossman's user avatar
1 vote
1 answer
489 views

Luckeep ebikes problems

Anyone know why my ebike would be only going like 8 miles an hour? Or how can I check torque sensor to see what's wrong? It has worked fine since I got it but after last charging it today when I got ...
Jerome Cantrell's user avatar
1 vote
1 answer
380 views

Which mid drive motors use the same frame interface?

One concern with mid drive e-bikes is that if the motor breaks in ten years, probably there is no exact replacement available. But do the manufacturers keep the same interface for their different ...
Nobody's user avatar
  • 1,779
5 votes
1 answer
461 views

Opening up a geared hub motor

I have a 10 year old eWind Classic, and the hub motor makes horrible noises when under high load. It used to be silent. So I want to replace the planetary gears and bearings. Printed on the hub motor ...
Bram's user avatar
  • 327
3 votes
2 answers
522 views

Pros and cons of retrofitting a pedelec vs. buying a built-in pedelec

I'm considering to buy a pedal-assist electric bike with a mid-drive motor. I'm worried that if and when the drive unit fails, I might have to replace the entire bike, such as indicated in this ...
gerrit's user avatar
  • 3,987
5 votes
2 answers
335 views

How servicable are older e-bikes?

I am considering to purchase a bicycle that includes an electric assist with a Shimano E6100 engine. I have not owned any bicycles with electric assist before, and I'm worried about serviceability. ...
gerrit's user avatar
  • 3,987
16 votes
8 answers
2k views

Is a dropper post a good solution for sharing a bike between two riders?

We have an e-bike with a step-through frame that's shared between two riders with fairly different heights (5'8" and 6'2"). It's used for commuting, kid-toting, and general short-mileage ...
segfault's user avatar
  • 161
3 votes
1 answer
80 views

Front hub motor makes clacking noise only when nut tightened

I have a Bafang SWXK2 e-bike front hub motor. It has been use for 7 years, about 10 000 km ridden and has worked well so far. But now it is making a clacking noise. Symptoms: Clacking noise ...
jpa's user avatar
  • 1,847
25 votes
4 answers
2k views

What characterizes a future-proof ebike drive system?

Ebikes had their origins in modular drive systems that were assembled by enthusiasts and specialty companies choosing their own motors, batteries, battery controllers, motor controllers, and displays. ...
Nathan Knutson's user avatar
-1 votes
4 answers
142 views

Provide 220v to motorhub 36v 500w using a voltage regulator

The idea is to solar power a bike without battery using a grid-tie inverter that provides 220v and then regulate voltage to link directly with motorhub. Possible ? Risky? Dumb? Thanks for your answer!
Javi's user avatar
  • 1
4 votes
1 answer
212 views

Why do my Urbanbiker Viena electric bike batteries keep failing?

Around late 2019, I bought an Urbanbiker Viena new off Amazon for my daily work commute (around 15km/day at that time, now it’s a bit lower at about 10km/day). After about 4000km, my (first) battery ...
breversa's user avatar
  • 143
8 votes
6 answers
3k views

Using an e-bike as part of an endurance training?

I recently bought an e-bike and use it much more than my conventional "fun bike" (still need to do some maintenance on it), and was wondering how complementary it could be for endurance ...
Rеnаud's user avatar
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