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  1. F

    Powering a 80amp motor from a 40amp brushless controller

    I am interested in this ebike 6kw geared motor that is listed in the page below: https://www.cyclone-tw.com/product/29/data/15 What I need to know is if my 40amp brushless controller will be able to power the 6kw geared motor? as I notice the motor rated amp is 80A. I am planning to drive the...
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    Freewheel sprocket dimensions

    The freewheel sprocket adapter that is on the webpage below is stated to be 1.37 x 24 TPI OD right hand threads. Is it the same as 1.375 x 24 RH tpi? I notice that one is 1.375 and another one on the website is 1.37 are they the same? Can the 1.37 work on a 1.375 freewheel without any issues...
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    Choosing the right gear ratio for a cyclone motor

    I have a cyclone 3000watt 24-72v motor that i customize on a bicycle frame. I am currently running it on 24v. The current gear ratio setup that i have gives me a lot of torque to climb the steepest hills you can find. I can even stop on a steep hill and move off. The issue that i have is...
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    sprocket design for custom cyclone motor ebike

    I have a custom made cyclone motor ebike using motorcycle #428 chain sprockets. My current setup is powering the motor from a 24v li-ion battery pack but I am planning to upgrade the battery pack to 48v as the motor can handle 24v-72v input at 3000watt. I have a 14T cog on the motor shaft and I...
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    VICMAX A8 Led lite replacement circuit needed/alternative

    My VICMAX A8 Led lite circuit recently got damage. Where on the net can i get a replacement circuit? Below are pictures of the lite and the circuit that comes in it. I have been searching endlessly and still cannot find it. I found a different circuit can i replace my bad one with this one...
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    A8 Vicmax 8 LED lite parts needed

    I have a A8 Vicmax 8 LED lite that got damage recently. Can anyone please tell me the part # to replace the one that got damage or where i can locate the mainboard to buy? If you look closely on the board in the pic u can see the one that is label U3, it is a four pin/foot I.C i think and it is...
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    2 wheel drive ebike with self charging

    I have a ebike with a 24v-72v 3000watt mid drive cyclone motor currently running off a 24v lithium battery pack. I am planning to install a 48v or 60v front hub motor on the front wheel for the sole purpose of recharging the battery. So basically whenever the bike is in motion at a certain rpm I...
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    Battery pack made from several small modem packs.

    I have a huge lot of modem battery pack consisting of (3) 18650 cells in each of the pack. Each modem battery pack is rated at 10.8v @ 2600mAh as each of the cells inside is rated at 3.6v, 2600mAh and they are connected in series, hence you get the 10.8v rating. The packs comes with built in BMS...
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    cyclone 24v 3000watt bldc controller max voltage? modify max voltage?

    What is the max voltage i can feed through the 24v cyclone bldc 3000watt controller? I am planning to upgrade my battery bank to 48v or maybe 60v to power my cyclone 24v-72v 3000watt motor. And i am wondering how much voltage the 24v controller can handle? Is there anyway in which i could...
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    New brand on the market AERDU lithium battery reviews good or bad buy???

    I see a new brand on the market AERDU ebike batteries selling on ebay and aliexpress. Has anyone here use one of these batteries and can shed some light on the perform and durability. The pros and cons and are they suitable for high drain ebike applications? Here is a some links to some of...
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    VICMAX A8 8X CREE XM-L2 LED Max input voltage?

    I have a VICMAX A8 Led bike light. It comes with a 8.4V 1A Li-ion smart charger to charge the battery pack. Here is a web link for the light: https://www.aliexpress.com/item/VICMAX-A8-13000-lumen-8x-CREE-XM-L2-LED-Front-Head-Bike-Bicycle-Cycling-Lamp-light/32543657145.html I abandon the...
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    BMS charging issue

    I have a 24v 7s 30ah 18650 battery pack that I have been using for several months without a BMS installed. Until recently I discovered that some of the strings where getting to be out of balance during discharging and charging. I would once a while balance the cells manually by connecting the...
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    Recommended cheap chinese/japan Li-ion 18650 cells

    I am planning to build a eco 18650 battery pack for my 24v ebike. Can you guys list some or all of the cheap brand but good high drain chinese/japan Li-ion 18650 cells please.
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    Converting a Cyclone 3000watt PLANETARY GEAR BOX mid-drive motor to side mount

    I have a Cyclone 24v-72v 3000watt PLANETARY GEAR BOX 300-900RPM mid-drive motor that I want to convert to a side mount drive as you can see in one of the pictures below. I am currently running the motor on 24v on the original mid drive setup powering from off a 24v 30ah Li-ion battery kit. My...
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    Freewheel Maintenance

    What method(s) should be implement to keep your single speed freewheel in perfect working condition? I realize that sometimes the "dog" in mines sometimes slip and I have to flush out the freewheel with Double D40 to get it working again. I normally use the Double D40 to flush it out and then I...
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    428 chain sprockets and freewheel for ebike setup

    I have a mid drive ebike.The problem that i am facing is that my chainrings/sprockets do not last long. I am planning to upgrade the ebike so that it can use motorcycle sprocket/freewheel and cogs. I already bought two 49t 428 chain sprocket to use in the mid section and I found a 14T 428 chain...
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    24v-48v 1500watt hub motor kit needed

    I am seeking a a rear hub motor that can handle from 24v upwards to 48v or higher and it has to be 1500watt or higher. It can be direct drive or internally geared motor but i prefer a geared one. I have been searching a lot but cannot find one to meet my specifications. I would prefer if its...
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    Abnormal sound coming from cyclone geared motor

    I have a cyclone waterproof geared brushless electric motor 1800-3000watt as you can see in the image. Sometimes I hear a wobbling sound coming from the motor when it is running. Normally u would hear a smooth pitch sound but recently the sound is like when the shaft running is not balance so u...
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    3 speed switch not working properly

    My 3 speed switch is not working properly. I have a Cyclone Waterproof brushless Geared Electric BikeKit 1800-3000watt operating on 24v with a 40ah brushless controller as you can see in the pictures. Before the issue began I good get 3 different speeds from the switch but recently i was doing...
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    Combining two 24v 450watt geared my1018 motor in parrallel

    I noticed that the 24v 450watt geared my1018 motors that are use on the currie ebikes comes in different output rpm configurations. Some are 400, 420 and 470 RPM at the gearbox output. My current e-bike has one installed which is 470 rpm at the gearbox output. If I buy one with the 400 RPM at...
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    500w, Dayton 24V DC Gear Motor MY1020 setup

    My 24v e-bike needs a replacement motor. I was using a 24v 350watt my1016z3 geared motor and now the amature has failed and the brushes rub down so I am planning to buy a next motor. I was looking at this motor a MY1020Z Dayton 500w, (0.67 HP) 24V DC Planetary Gear Motor, 500 RPM. Would this be...
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    amature needed for unite my1016z3 motor

    I am looking a replacement for the amature that comes in my unite my1016z3 24v 350watt motor. The commutator bars that comes on the amature have all rub down to the point that the brushes cant make contact with them so hence the motor is not working now. Where on the internet I can find just the...
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    Metal base thumb throttle needed

    I am tired of replacing the commom plastic base e-bike thumb throttles that are on the market. They break after couple months of using them. Are there any metal base one on the internet that I assume would be more durable? If there is please send me the link.
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    3000Watts 24V-72V Brushless Kit max speed at 24v?

    Please view the link below and tell me: what would be the estimated max speed I can get operating this kit on a 24v 30ah lithium-ion battery on a flat terrain with minimal wind on a 26" bicycle with a 160lbs rider? Also what would be the est. cruising mph on a flat terrain from the same 24v...
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    paralleling bms?

    can you connect two bms in parallel mode to double the total max constant current output from say for eg. 20ah to 40ah? this is the one that I wish to double up: http://www.ebay.com/itm/181779699464?_trksid=p2055119.m1438.l2649&ssPageName=STRK%3AMEBIDX%3AIT
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