Question 1

If my ebike conversion kit does not contain a LCD screen/PAS, can I add an additional LCD screen/PAS on it?

Accepted Answer

The short answer is NO. If your E-bike kit, for example, YES3512 or YES3509, does not contain a LCD screen/PAS, that means the controller does not support a LCD screen/PAS. This means there is no plug/connector to connect a LCD screen/PAS, even if you purchased an aftermarket part. If you want to buy one kit with LCD screen/PAS, you can consider the following options:
YES2464: Yescom 26in Rear Electric Bicycle Motor Conversion Kit 48v 1000w: Fits for any 26" bicycle frame with 5 5/16" Rear Dropout Spacing;
YES2463: Yescom 26in Front Electric Bicycle Motor Conversion Kit 48v 1000w: Fits for any 26" bicycle frame with 3 15/16" Front Dropout Spacing;
YES2467: Yescom Bicycle Motor Kit Fat Bike Conversion Kit 1500W 48V 26": Front Hub fits for 5 1/8" front dropout spacing & 26"x4" tire, Rear Hub fit for 6 11/16" rear dropout spacing & 26"x4" tire.

Question 2

Can I install Yescom Electric Bicycle Motor Conversion Kit on tandem bike?

Accepted Answer

The short answer is No. If you install the Electric Bicycle Motor Conversion Kit on a tandem bike, the weight of 2 riders may exceed the weight capacity of the electric wheel.
Even if the weight of 2 people is still within the weight capacity, we do not recommend installing it on a tandem bike, since it is a safety hazard to have only one person control the speed. Only install the Electric Bicycle Motor Conversion Kit on a single seat, 2-wheel conventional bicycle.

Question 3

Can you still use the Electric Bicycle if turn the motor off?

Accepted Answer

The simple answer is Yes. If you turn off the motor, or your battery is dead, you can still pedal your electric bicycle like you would a regular bicycle. Please note, however, that the additional weight of the e bike motor, battery and accessories will make your bike heavier, so it will be more difficult to pedal manually.

Question 4

Can you ride Electric Bicycle in the rain?

Accepted Answer

Although the connectors on our motors are water resistant, riding an electric bicycle in the rain is not recommended as there are numerous risks involved. Moisture may still get inside the motor or your battery and may damage them. Any damage caused by water is not covered by our warranty. You also risk slipping or hydroplaning while riding and higher speeds, which can cause serious injury.

Question 5

How to achieve the maximum speed displayed on advertisements

Accepted Answer

The maximum speed advertised is achieved when the battery is fully charged. Therefore, it is recommended to use the recommended battery parameters. The speed of cycling is influenced by many factors, such as payload, battery level, wind resistance, etc., so this speed is only for your reference. The specific speed that can be achieved depends on the actual situation.

Question 6

How many magnets are in the motor?

Accepted Answer

The motor contains 46 pieces (or 23 pairs) of magnets, which is the most common for direct drive motors. You are unable to see the magnest until you take the motor apart.
A kind note: We do not recommend you upgrade the magnets in the motor by yourself, it may damages the motor and will also violate the warranty.

Question 7

Does this Conversion Kit have a walking mode?

Accepted Answer

Unfortunately our Conversion Kit does not have a walking mode. But this kit comes with PAS system and it can help you pedal easier, once pedal assist is turned on, you will feel a little extra 'oomph' propelling you forward, making it easy to ride long distances without getting tired or sore the next day.
Walking mode, is sometimes called walk assist and generally comes on higher-end E-Bikes and Electric Mountain Bikes especially. Also sometimes known as walk-on mode.
This is a particularly useful feature whenever user need to dismount and push the bike, especially up a steep incline where the weight of the bike and gravity can make the bike even harder to handle.
When user enables walk assist mode, the bike provides a specific amount of support power to help user manoeuvre the bike which is especially useful if user needs to pass obstacles on trails or push his bike to a particular point. This support helps to negate the weight of the bike, making it less cumbersome to handle and less effort to control in the right direction.

Question 8

Can I make this kit go faster?

Accepted Answer

The top speed of this kit is 45 KM/H. It is not recommended to use higher voltage and higher capacity battery to make it faster since it will affect the product's service life and be prone to malfunctions. Electro kinetic cell battery ( Li, lead-acid, NiMH battery etc.) featured in nominal voltage 48v, nominal capacity not less than 20Ah is compatible with the motor.

Question 9

What is the difference between the front kit and the rear kit?/ Which one is better? Can I install front kit on rear wheel?

Accepted Answer

Front (Rear) kit is the one that motor is on the front (rear) wheel, motor generates power to drive the bike forward. We also have attached 2 photos of our 26in 48v 1000w Electric Bicycle Motor below for reference, the left one with gears is rear kit, as the right one is front kit.
Adension on the rear wheel increases as the center of gravity of the bike moves backwards when accelerating, rear kit has more efficient acceleration and stability. If you mainly use manpower and need power assistance while riding, or you don't want to change the rear wheel or brake system of the bike, front kit is able to satisfy your needs. Generally, rear kit is the better one.
We do not recommend you install the front kit on rear wheel, please only install front kit on front wheel, rear kit on rear wheel.

Question 10

Ebike: How to install a brake disc?/ What sizes of brake disc fit our conversion kits?

Accepted Answer

Remove 6 hexalobular internal screws (star socket screws) on the hub first (refer to pic), then align 6 bolt rotors on the brake disc to 6 screw holes on the hub and retighten 6 screws back. All sizes brake disc (mostly 140mm, 160mm, 180mm and 203mm) are compatible with the hub of all our conversion kits. Please select proper sizes of brake disc according to the spacing between the hub and fork. Choosing the sizes also depends on how the heat transfer is taking place from the disc to provide the best possible heat dissipation to avoid the disc to wear out. Bigger brake discs have better heat dissipation.

Question 11

Ebike: Does the battery charge when the wheel spins freely/ brakes?

Accepted Answer

No, there is no Energy Recycle System for our conversion kits. Energy would not be recharged to the battery by spinning or braking.

Question 12

Ebike: Unknow noise from the motor wheel.

Accepted Answer

1. Please lift the bike so wheels are off the ground, spin the wheel with hands (power off) to check if noise exists. If so, noise could come from contacting between the frame of bike and the wheel. Please check if something wrong on the wheel or frame of bike. Also, please check brake systems on the wheel and frame of bike (e.g. the gap between brake disc and cliper). As well as the spokes.
2. Please unplug the connection of the controller and motor and replug it again to have a try. Please make sure the connectors and pins are clear, each connector is inserted in another to required position (the "'" sign).
3. Please try to run the wheel (make sure the bike is off ground) with throttle to check if the noise occurs. If so, please take a video of this situation (noise includes) and provide our constomer service with it so we can verify the issue quickly and provide a proper resolution.

Question 13

Is there a fuse for the controller and the battery?

Accepted Answer

Yes there is a fuse on the red extension which is included in the package. The main purpose of the fuse is to provide a overcurrent protection, when the battery is unstable, which may cause the current or voltage in the circuit too high, it will burn the fuse to power off the electric bicycle. If without a fuse, constant overcurrnt may cause serious damages to the kit and even cause a fire.

Question 14

Is the hub of the conversion kit direct drive and gearless?

Accepted Answer

Yes the motor is a gearless and Direct Drive motor so there is no need to shift. Compared to geared motor, direct-drive motors are capable of higher top speeds on a flat road, so if you live in a flat area and would like to get a more powerful, quieter and faster conversion kit, a direct drive motor would be the best option. Introduction of ebike motor: direct drive vs geared motor:Electric bike motors primarily come in two varieties: direct drive vs geared motor. Direct drive motors or direct-drive hub motors are large, gearless hub motors that use magnetic force inside a copper winding coil to conduct power through the motor, while geared motors or geared hub motors function via a set of planetary gears (or Planetary Gear Reduction System) that control speed. Pros and Cons:Both have their advantages, mostly concerning weight, battery efficiency, and overall horsepower. A direct drive motor offers a quiet ride with higher top speeds.Geared motors provide longer rides per charge and more torque, suitable for climbing hills and riding on varying terrains.Direct drive motors are large and heavy and are harder to foot pedal with, while geared motors are small and easier to pedal without power, but are far noisier.Geared motors don't last as long as direct drive motors.

Question 15

Can change parameter or setting of LCD or conversion kit for djustment I want?

Accepted Answer

Please kindly note that the LCD and controller are the brain of each conversion kit which comes with it, so any parameter or setting of it affects riding. For safety consideration, we do not offer any instruction on adjusting parameter or setting of the LCD or conversion kit. And we do not suggest any unecessarily clicking on the LCD to avoid parameter and setting being changed. All our conversion kits are for daily commuting and please ride the ebike under local legislation. Speed limit and overload setting are not allowed as well.

Question 16

Electric Bicycle Conversion Kit: Can I paint the hub to match the frame of my bike?

Accepted Answer

Yes you can paint the hub if you want it to match the frame of your bike. But please keep in mind that you need to cover the wire connections with something properly, just to make sure the paint will not spray into the wire connections. As it takes some work, we recommend you send the kit to a local auto shop to have them painted it, the man at the shop will be more professional in painting a hub.

Question 17

Can you install the Electric Bicycle Conversion Kit for me at an extra cost?

Accepted Answer

We do not offer assembly service for the Electric Bicycle Conversion Kit, but we provide step by step instruction and you can follow our instruction to install the Conversion Kit. If you still do not know how to install it after looking at the instruction, you can take it to your local automobile repair shop and pay for a assembly service to let the technician install it for you, the cost depends upon your locality.

Question 18

Do I have to get a battery for Yescom Electric Bicycle Motor Conversion Kit separately? Where should I buy the battery?

Accepted Answer

We no longer carry batteries for our Electric Bicycle Motor Conversion Kit , so you may need to buy a battery separately. You can order batteries through Amazon or other sites, or you can buy one from a local shop. When choosing a battery, please make sure buy a battery that meets the recommended specifications. There are specific voltage and amp requirements for the bike to function properly, higher or lower volts or amps could cause the conversion kit to be inoperable.
Different Electric Bicycle Motor Conversion Kits require different batteries:
For our 48v 1000w Electric Bicycle kit, which comes with a thumb throttle (YES1527 or YES1528), an electrokinetic cell battery ( Li, lead-acid, NiMH battery etc.) featured in nominal voltage 48v, nominal capacity in the range of 17 to 20Ah is compatible with the motor.
For our 48v 1000w Electric Bicycle kit, which comes with a LCD, PAS system and Speed throttle (YES2463), an electro kinetic cell battery ( Li, lead-acid, NiMH battery etc.) featured in nominal voltage 48v, nominal capacity 17 to 20Ah is compatible with the motor.
For our 48v 1000w Electric Bicycle kit, which comes with a Fat wheel, PAS system and Speed throttle (YES3510), the suitable battery type and parameters are: 48V, 30A, recommended capacity is at least 8.8AH or above. Will travel about 12.5 mi.
For our 48V 1500W Electric Bicycle kit, which comes with a thumb throttle (YES2468), the suitable battery type and parameters are: 48V, 35A, recommended capacity is 20AH. Will travel about 24.8 mi (40Km).
For our 36V 750w Electric Bicycle kit, which comes with a thumb throttle (20'' wheel: YES3511 or 24'' wheel: YES3512), the suitable battery type and parameters are: 36V, 25A, recommended capacity is at least 8.8AH or above. Will travel about 12.5 mi (20Km).

Question 19

Ebike: Can I use hydraulic brake system?/ What kinds of brake system can be used?/ Is it necessary to use attached brake levers?

Accepted Answer

Our conversion kits require to deprecate original brake levers as only attached ones can power off with the controller while braking. So please refit the connection of original brake levers to attached ones. If you use hydraulic brake system, please switch to linear brake system which is the one we recommend for our conversion kits. Hydraulic brake system is incompatible with our conversion kits.

Question 20

Can I install Yescom Electric Bicycle Motor Conversion Kit on tricycles?

Accepted Answer

The electric bicycle kit is only compatible with conventional bicycles. We do NOT recommend installing the electric bicycle kit on tricycles. There are 3 main reasons why it is not suitable for tricycles.
1. The front forks of a tricycle are different than conventional bikes, and you cannot install the electric wheel properly with an incompatible front fork. This may cause the electric wheel to slip out of the fork while you are riding, resulting in serious injury.
2. The size of the crank axle in a tricycle is different than a conventional bicycle. For our electric kits that contain a PAS system, you may not be able to install the PAS system. Even if you can install it, it may not function properly.
3. A tricycle weighs more than a bike and is often used to carry or pull things. This may exceed the load capacity of our electric kits and cause serious damage to the motor. It will shorten the life of the electric kit.

Question 21

Can I install Yescom Electric Bicycle Motor Conversion Kit on tricycles?

Accepted Answer

The electric bicycle kit is only compatible with conventional bicycles. We do NOT recommend installing the electric bicycle kit on tricycles. There are 3 main reasons why it is not suitable for tricycles.
1. The front forks of a tricycle are different than conventional bikes, and you cannot install the electric wheel properly with an incompatible front fork. This may cause the electric wheel to slip out of the fork while you are riding, resulting in serious injury.
2. The size of the crank axle in a tricycle is different than a conventional bicycle. For our electric kits that contain a PAS system, you may not be able to install the PAS system. Even if you can install it, it may not function properly.
3. A tricycle weighs more than a bike and is often used to carry or pull things. This may exceed the load capacity of our electric kits and cause serious damage to the motor. It will shorten the life of the electric kit.

Question 22

What is the torque rating of this e-bike? How much torque is good enough?

Accepted Answer

We have several e-bike kits and different kit has different torque rating. Higher torque rating means a better ability to keep turning the wheel. Generally if you live in flat area and do not go up hill often, an e-bike with around 50nm torque rating is good enough, you can use it for commuting or other casual riding. Product IDTitleTorque ratingYES1449/YES24671500W 48V 26"x 4'' Conversion Kit with LCD & PAS55 NmYES24681500W 48V 26'' Conversion Kit without LCD & PAS55 NmYES2464/YES24631000w 48v 26''x 1.75" Conversion Kit with LCD & PAS60 NmYES1527/YES15281000w 48v 26'' x 1.75" Conversion Kit Without LCD & PAS45 NmYES35101000w 48v 26" x 4" conversion Kit60 NmYES35091000w 48v 20'' Conversion Kit60 NmYES351236v 750w 24'' Conversion Kit50 NmYES351136v 750w 20'' Conversion Kit50 Nm

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Yescom 20" Front Wheel Electric Bicycle Motor Fat Tire Kit 48v 1000w

Size: 20in Front

Yescom 20" Front Wheel Electric Bicycle Motor Fat Tire Kit 48v 1000w

If my ebike conversion kit does not contain a LCD screen/PAS, can I add an additional LCD screen/PAS on it?

Can I install Yescom Electric Bicycle Motor Conversion Kit on tandem bike?

Can you still use the Electric Bicycle if turn the motor off?

Can you ride Electric Bicycle in the rain?

How to achieve the maximum speed displayed on advertisements

How many magnets are in the motor?

Does this Conversion Kit have a walking mode?

Can I make this kit go faster?

What is the difference between the front kit and the rear kit?/ Which one is better? Can I install front kit on rear wheel?

Ebike: How to install a brake disc?/ What sizes of brake disc fit our conversion kits?

Ebike: Does the battery charge when the wheel spins freely/ brakes?

Ebike: Unknow noise from the motor wheel.

Is there a fuse for the controller and the battery?

Is the hub of the conversion kit direct drive and gearless?

Can change parameter or setting of LCD or conversion kit for djustment I want?

Electric Bicycle Conversion Kit: Can I paint the hub to match the frame of my bike?

Can you install the Electric Bicycle Conversion Kit for me at an extra cost?

Do I have to get a battery for Yescom Electric Bicycle Motor Conversion Kit separately? Where should I buy the battery?

Ebike: Can I use hydraulic brake system?/ What kinds of brake system can be used?/ Is it necessary to use attached brake levers?

Can I install Yescom Electric Bicycle Motor Conversion Kit on tricycles?

Can I install Yescom Electric Bicycle Motor Conversion Kit on tricycles?

What is the torque rating of this e-bike? How much torque is good enough?

YescomUSA - Wholesale Inquiry Form

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Yescom 20" Front Wheel Electric Bicycle Motor Fat Tire Kit 48v 1000w

Size: 20in Front

Ask a Question

Yescom 20" Front Wheel Electric Bicycle Motor Fat Tire Kit 48v 1000w

If my ebike conversion kit does not contain a LCD screen/PAS, can I add an additional LCD screen/PAS on it?

Can I install Yescom Electric Bicycle Motor Conversion Kit on tandem bike?

Can you still use the Electric Bicycle if turn the motor off?

Can you ride Electric Bicycle in the rain?

How to achieve the maximum speed displayed on advertisements

How many magnets are in the motor?

Does this Conversion Kit have a walking mode?

Can I make this kit go faster?

What is the difference between the front kit and the rear kit?/ Which one is better? Can I install front kit on rear wheel?

Ebike: How to install a brake disc?/ What sizes of brake disc fit our conversion kits?

Ebike: Does the battery charge when the wheel spins freely/ brakes?

Ebike: Unknow noise from the motor wheel.

Is there a fuse for the controller and the battery?

Is the hub of the conversion kit direct drive and gearless?

Can change parameter or setting of LCD or conversion kit for djustment I want?

Electric Bicycle Conversion Kit: Can I paint the hub to match the frame of my bike?

Can you install the Electric Bicycle Conversion Kit for me at an extra cost?

Do I have to get a battery for Yescom Electric Bicycle Motor Conversion Kit separately? Where should I buy the battery?

Ebike: Can I use hydraulic brake system?/ What kinds of brake system can be used?/ Is it necessary to use attached brake levers?

Can I install Yescom Electric Bicycle Motor Conversion Kit on tricycles?

Can I install Yescom Electric Bicycle Motor Conversion Kit on tricycles?

What is the torque rating of this e-bike? How much torque is good enough?

YescomUSA - Wholesale Inquiry Form

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