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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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 ...
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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: ...
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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 ...
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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, ...
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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 ...
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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 ...
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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 ...
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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?
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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 ...
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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 ...
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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 ...
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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:
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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. ...
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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 ...
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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 ...
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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. ...
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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!
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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 ...
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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 ...
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Is it safe to charge my ebike lifepo4 battery this way?
I have an 8S LiFePO4 battery pack for my ebike project which I tried to charge using my suspicious lithium battery charger. The charger applied a voltage slightly higher than the battery voltage at ...
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Currie mid-drive Pedal assist works sporadically
I have a Raleigh Route with a Curry Electro Drive trans x 350 watt pedal. Assist only motor. Pedal assist starts and stops almost immediately over and over the entire time I ride. Sometimes it doesn't ...
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Where is the speed sensor on my e-bike?
The speed indication on my ebike is acting up - most of the time it's showing a correct reading, but it occasionally drops to impossibly low values like 2 km/h for a few seconds while riding, then it ...
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How to install a Bafang brake sensor on a road bike with drop bars and V brakes?
I'm planning to install an e-bike kit on a road bike with drop levers.
You must install a sensor for the motor to stop providing power during braking. However they are all used for normal brakes. ...
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Electric bicycle frequently stops working when slope is too high. Cannot find notice
I use my mom's no-name electric bicycle for my daily commute. It is only 3-4 kilometers but there is a big slope. The bicycle's brand and model is Opus E-MOTION, but I cannot find anything online ...
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How do I fit an e-hub motor axle that is too big?
I am converting my wife's Giant aluminium frame bike to electric by fitting a rear hub motor. The problem that I have encountered is that the e hub motor axle is much bigger than the original wheel. I ...
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eBike torque sensors: Are hub systems capable of the same ride feel as mid-drive?
There are two basic types of ebike controller - cadence or torque sensing. Typically mid-drive ebike systems use torque sensing to control the motor, and cheaper hub drive systems often use cadence ...
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MTB rear triangle specs for given frame / e-bike build
A used 27.5 19" e-bike frame (Bosch motor+battery model) (only front half) is advertised under the brand "Kilimanjaro e-tec 2.0", whatever.
Its rear triangle, however, is missing and I ...
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My bike has a 10 speed cassette. MTX hub motor takes 9 speed cassette can I remove last cog of my cassette without issues?
I need some advice. I have a Giant Anthem 2012 dual suspension bike. And want to put a 1500 watt 26" MTX cassette type rear hub motor onto it. I believe the MTX wheel can take up to a 9-speed ...
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Does changing a chainring on a e-bike requires a "firmware change"? (setting or update)
I noticed an interesting "contradiction" in the manual of an e-bike: on one hand it states that the frame can accomodate chainrings between 30T and 44T, but on the other hand in another ...
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Can I straight-swap my cassette 10 cog wheel with a ebike hub motor free wheel 7 cog wheel?
I have a Giant Anthem bike that has a 10-cog cassette wheel. And I have just purchased an e-bike hub motor that is a freewheel with seven cogs. Can I go ahead and fit it without any problems?
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What is an SUV bike?
Recently, I've started to see the term "SUV bike" in different contexts. They seem to be referring to expensive e-bikes (pedelecs or s-pedelecs, either freight bikes or regular), with price ...
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Rationale behind dropper posts on "SUV" e-bikes
I noticed that the upper versions of some recent "SUV" e-bikes (also called touring/trekking, but that denomination is misleading) are now proposed with dropper posts - to give examples: ...
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The stock brakes on many e-bikes may be inadequate. What changes would make them adequate, and at what cost?
Note that some links in this question go to sites with a metered paywall, i.e. you can access something like 4-5 free articles per month. While the question mentions a bike manufacturer, the problem ...
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Luna eclipse 42T chain ring and Shimano Linkglide is there a chain that fits both?
My cargo e-bike has a Luna Eclipse 42T chainring with a narrow-wide pattern. Lunacycles states the chainring will work with any 8, 9 or 10 speed chain and that an 11 or 12 speed chain will not work. I ...
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I would like a one-mile-range e-bike: why aren't there any?
I have a 3 mile daily commute that I bike in Toronto. I enjoy it very much, but there are times I'd like a bit of an e-boost; for example when a car cuts me off while I'm in the middle of climbing a ...
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Why is my ebike Shimano display dead?
The bike battery is fully charged. When I plug-in the display, the screen does not come on at all.
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Is it possible to use a disc front brake and a regenerative rear brake system for electric Catrike recumbent?
I have a Catrike Villager tadpole recumbent with a single lever to operate the two disc brakes on the front wheels.
I want to put a direct-drive hub motor on the rear and utilize regenerative braking. ...
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How do I make my ATLAS BEACH X TYPE BIKE Electric and built for winter driving?
Front Wheel: 26" x 1.75 x 36H x 12G Alloy-Cruiser, Bolt-On
Rear Wheel: 26" x 1.75 x 36H x 12G Alloy-Cruiser, W/Shimano Coaster Brake
Front Hub: Alloy Bolt-On, Sealed, 36H x 12G x 3/8" ...
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Can electric trike be made stable?
I bought a Viribus electric trike, which came unassembled. My son told me not to try it by myself (76-yr-old grandma, not as strong as I once was). I have to say he was not entirely wrong - it was ...
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Is there a brand of bicycle named BUILD
A bicycle had passed my home today rather quickly. The frame had the word 'Build' painted on it. I am assuming it is an electric bicycle, but I would like to know more about this bike. Is 'Build' the ...
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How important is to have many gears on a e-bike?
I am planning to buy an e-bike and I have been wondering what’s the right thing to choose between:
1 X 8 traction, 29”, 36V • 16Ah → 576Wh battery, or
3 X 9 traction, 27.5”, 36V • 10.4 Ah → 374Wh ...
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Communication with electric and bluetooth wheel (imortor)
I would like to know about the specs, standard or protocols to communicate through Bluetooth with the controller embedded in the wheel.
By default the wheel can be managed through BT with a very poor ...
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Changing front wheel for one with slightly wider rims on an E-bike?
I need to replace the front wheel on my E-bike (2016 Batavus Razer, original wheel is 622 x 15C Rodi in 6063 alloy, 36 spokes, 'V' shaped rim profile) I believe Rodi supplied Batavus with wheels for ...
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Can the Grin Technology phaserunner series be used in total headless mode? (No display, POS sensor or torque sensor, bluetooth & throttle only)
One of my old e-bike has a broken component and is subjected to upgrade, as most of the vendors have either disappeared or declare the component as end-of-lifecycle.
I'm considering Grin PhaseRunner ...
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