Question 1

1. Will the X1 Pro or X1 Stealth fit my frame?

Accepted Answer

The X1 Pro is uniquely designed to fit 95% of all existing frames and has been used in a lot of DIY builds as well. The X1 Stealth fits most frames as well but is not suited for fatbikes. There are two main factors that will determine whether the kits will fit your frame.    Your bottom bracket type   CYC supplies a variety of bottom bracket options. Have a look at question 4 on this page to figure out what bottom bracket you have, as well as to see which option suits your frame the best.      Available space    We've yet to come across a frame that doesn't have enough physical space available to fit our kits. But since every frame is designed differently, it helps to check your space available to see where to mount your motor. The CYC kits can be mounted in different positions, the most common being underneath the downtube and inside the triangle. To help you determine where to mount the motor, we have included 1:1 printouts in the links below.   X1 Pro Gen 2  Printing instructions  X1 Pro Gen 2 with right (drive) side mounting bracket  X1 Pro Gen 2 with left (non-drive) side mounting bracket    X1 Stealth Gen 1  Printing instructions  X1 Stealth Gen 2 with right (drive) side mounting bracket    X1 Stealth Gen 2 with left (non-drive) side mounting bracket     Chainring Sizes  Printing instructions  11/53T with 32T inner chainring  11/63T with 38T inner chainring  12/72T with 40T inner chainring (For X1 Pro Gen 2 only)    If you are still unsure, click here to send us your bike name and model for guidance. You can also let us know what type of riding you're planning on doing if you want more specific/ tailored information.

Question 2

2. What is the difference between the X1 Pro and the X1 Stealth?

Accepted Answer

The two systems run the same way when riding them. They share a lot of the same components, have the same battery voltage compatibility, and even have a similar design, but they do have some major differences which will affect your choice on which kit to pick.    Power, torque, and weight differences    The X1 Pro Gen 2 is rated at either 3000W or 5000W and 150N.m. or 250N.m. depending on your controller choice. The X1 Stealth, however, is rated at 1500W with 150N.m. of torque with only 1 controller choice.    The X1 Stealth is smaller in form factor and therefor lighter as well. The X1 Pro Gen 2 complete kit weighs in at 5.6kg whereas the Stealth weighs in at 4.5kg    Motor type    The X1 Pro Gen 2 is sensored BLDC motor which means that there is no carbon brush like in brushed motors. There is no physical wear and tear causing the motor to be much more durable than conventional motors. With a built-in temperature sensor, it is exceedingly difficult to fry the motor, even at extreme loading of > 5kW.    The X1 Stealth, however, is an outrunner BLCD motor which allowed us to design the small formfactor without compromising on the torque.     Kit options    Although the majority of the kit options are the same, the bottom bracket, chainring, and controller options differ.    The X1 Pro Gen 2 has 5 bottom bracket options making it suitable for a larger variety of bikes including fatbikes. The X1 Stealth on the other hand, only has the 2 most common bottom bracket options which are BSA (or English) threaded 68-83mm bottom bracket frames and BB92 (or PF92) frames and is not suited for fatbikes.     The X1 Pro Gen 2 also has a choice of 3 chainring options but the X1 Stealth only has 2. The reason for this is because the X1 Stealth has a shorter mounting bracket making the largest chainring option not compatible. You can find more information of chainring options here.     Finally, the X1 Pro Gen 2 has 2 controller options, the ASI BAC855 and BAC2000, which accommodates different power and torque outputs, but the X1 Stealth only has 1 controller by default, the ASI BAC855. The X1 Stealth is also not compatible with the BAC2000 and there is also no reason to try it since this controller is simply overkill for the X1 Stealth's maximum capabilities.

Question 3

3. How do I install the X1 Pro or X1 Stealth?

Accepted Answer

Installation of X1 Pro or X1 Stealth only takes approximately 30 to 45 minutes after the first attempt. This short installation time allows you to easily convert your MTB to an eMTB or switch the kit to a different frame.     We encourage you to go through the kit's user manual as well as the app and display user guide. You can freely download these guides here:    X1 Pro Gen 2 downloads  X1 Stealth Gen 1 downloads   X-Series Batteries downloads    You can also fine various installation videos on our Youtube channel that will help you along the way.

Question 4

4. What bottom bracket option should I choose?

Accepted Answer

The X1 Pro and X1 Stealth kits support several bottom brackets, including the traditional BSA/ English threaded bottom brackets and press fit bottom brackets.     The X1 Pro Gen 2 BSA/ English threaded options fit bottom brackets ranging from 68mm to 120mm while the X1 Stealth options include 68mm to 83mm. The press fit options include BB92 versions as well as BB107 and BB109 although the BB107/109 option is exclusive to the X1 Pro Gen 2.     BSA/ English threaded and press fit bottom brackets are the most common among bikes. Below is a guide to help choose the correct option for your CYC conversion kit and how you check which bottom bracket you have.   
If you already know what bottom bracket you have, you can refer to the chart below to know which option to select. If not, continue reading after the chart for more guidance.   For X1 PRO:     For X1 Stealth:    If your bottom bracket requires an adaptor, you are welcome to contact technical_support@cycmotor.com to see which adaptor you need or to get some examples. Adaptors are extremely common and very easy to install. You can also contact us if you have a BMX bottom bracket or if you're generally just unsure. We'd be happy to help!    What bottom bracket do I have?    When we are checking your bottom bracket type, we can check 3 things: the frame's bottom bracket shell width, the shell's inner diameter, and the bottom bracket that is currently installed in your frame. If you get a frame without a crank set installed, you could simply use the frame's bottom bracket width & inner diameter.     To check the bottom bracket shell width and inner diameter, measure it using the images below as reference. Note that 95% of bottom brackets are standard so approximate values are mostly fine unless you have some funky, old-school, eccentric frame.    When we measure, we are also only accounting for the frame itself. Do not include any of the components such as the bottom bracket cups or bearings that might be installed. You do not need to remove any components from your bike to take these measurements unless you are unsure.     Once you have your measurements, you can refer to the charts above to see which option you need. You can also check the bottom bracket you currently have installed by removing it, checking the markings or model of it, and checking if it has threads or not. This will give you some extra confidence in your measurements since it can help you confirm that you are correct.

Question 5

5. What chainring option should I choose?

Accepted Answer

CYC supplies 3 various chainring options for the X1 Pro Gen 2 and 2 options for the X1 Stealth and comes with an aluminium chain guard by default. When choosing your chainring, keep your desired ground clearance in mind. It is also important to note that the options will not affect the speed or torque of the motor, only the pedal feeling of the rider when the motor is switched off. Click here for more detailed information on which option is best for you.     The chainring set on all options has a 104mm BCD inner chainring which means that you can swap it out with any size 104 BCD chainring from your local bike shop or even belt pulley for Gates carbon belt system. Just be sure to get a steel chainring if you're planning on doing this.    11/53T Option     The 53T 219H sprocket has an outer diameter of 136mm. It comes with an inner 32T bike chainring and an 11T motor sprocket by default which is included in the kit and pre-assembled.      11/63T Option     The 63T 219H sprocket has an outer diameter of 160mm. It comes with an inner 38T bike chainring and an 11T motor sprocket by default which is included in the kit and pre-assembled      12/72T Option    The 72T 219H sprocket has an outer diameter of 184mm. It comes with an inner 40T bike chainring and an 12T motor sprocket by default which is included in the kit and pre-assembled.      Below, you will find links to 1:1 printouts for your reference:     Printing instructions   11/53T with 32T inner chainring  11/63T with 38T inner chainring  12/72T with 40T inner chainring (For X1 Pro Gen 2 only)

Question 6

6. What controller should I choose?

Accepted Answer

For the X1 Pro Gen 2 kits, CYC currently offers two types of controllers supplied by ASI Technologies, namely the BAC855 and BAC2000 controller. Note that the X1 Stealth comes pre-assembled with the BAC855 controller by default and is not compatible with the BAC2000.    Power Capabilities    BAC855  - Rated Power: 3kW   - Phase Current: 80A (4.5N.m. of torque form the motor & 150N.m. at the crank)   - Battery Current: 50A continuous & 60A peak     BAC2000  - Rated Power: 5kW   - Phase Current: 200A (7N.m. of torque form the motor and 250N.m. at the crank)   - Battery Current: 80A continuous and 100A peak     Mounting the Controllers     The mounting bracket of BAC855 is included in the kit along with a bash guard. The BAC855 is integrated between the mounting brackets, meaning that you would not need to mount the controller independently and is supplied pre-assembled. If you want to mount the motor inside the triangle of your frame with this controller, you will need to select the controller extension wire option when ordering.      On the other hand, the BAC2000's formfactor is bigger and needs to be mounted independently to the frame. We have left a very adequate wiring length for the BAC2000 option to give you the maximum flexibility. Since all frames differ significantly in dimensions, you will need to determine your own way for mounting. However, we are able to freely provide you with a 3D print step file upon request.     General advice    If you're simply looking for some high-powered extra assistance, then go for the BAC855 option. If you will be riding with heavy load, such as cargo, or want a motorbike-like feeling, then go for the BAC2000. Just note that your battery specifications do matter with the power output you can expect.

Question 7

7. What batteries are compatible and what specs do I need?

Accepted Answer

The ASI controllers we use support 36V to 72V batteries (nominal voltage). In order words, 10s to 20s lithium batteries (fully charged 20s equalling to 84V). Both the X1 Pro and X1 Stealth kits can thus be paired with any standard ebike batteries ranging from 36V to 72V. If you're unsure what specifications you need or if it's your 1st time purchasing an ebike, we strongly recommend reading our blog post on ebike battery specifications.    The BAC855 controller for X1 Pro and X1 Stealth kits can handle 80A maximum phase current (4.5N.m. of torque form the motor and 160N.m. at the crank) and requires 50A continuous and 60A peak battery current to run at its maximum performance.     BAC855 voltages and expected power  1800W with 36V batteries    2400W with 48V batteries (max for X1 Stealth)  2600W with 52V batteries   3000W with 60V batteries    3300W with 72V batteries (max for X1 Pro Gen 2)     The BAC2000 controller (for X1 Pro Gen 2 only) can handle 200A maximum phase current (7N.m. of torque form the motor and 250N.m. at the crank) and requires 80A continuous and 100A peak battery current to run at its maximum performance.     BAC2000 voltages and expected power  2880W with 36V batteries    3840W with 48V batteries    4160W with 52V batteries    4800W with 60V batteries    5400W with 72V batteries (max for X1 Pro Gen 2)    *These calculations are based on 50A and 80A continuous current battery BMS specifications respectively and does not account for efficiency loss.

Question 8

8. What do I need to know about compatible displays?

Accepted Answer

Both BAC855 and BAC2000 controllers can be paired with either a 500C or 750C APT display. The 500C APT display supports up to 52V nominal battery voltage, while the 750C APT display can handle everything up to 72V nominal battery voltage.     You are also able to use EggRider displays although these are not supplied by CYC, and you will need to contact technical_support@cycmotor.com for settings and instructions.

Question 9

1. Do you ship worldwide?

Accepted Answer

Yes! CYC ships ebike kits to all 4 corners of the globe straight from our website to your doorstep. You can order directly here.    We also have dealers in Australia, Austria, Japan, New Zealand, Poland, UK, USA, and South Korea. Check out our Dealers page to find a dealer near you or contact us if you're interested in becoming a dealer yourself!    *Please note that shipping for battery packs is country specific due to battery shipping regulations.

Question 10

2. Do you assist with kit options and recommendations?

Accepted Answer

Yes! We will assist you from the get-go. Whether you need some guidance on picking a frame or choosing a bottom bracket option, we'll be glad to help you every step of the way.    Contact us for assistance and be sure to include some details about what you're looking for so that we know best how to help you.

Question 11

3. There's a CYC app. I can't login! Do I need it? What does it do?

Accepted Answer

Our kits can be configured with a CYC app where you will find all the different parameters that you can change. We strongly recommend downloading it and to find out more about the app here.    If you ordered your kit from us, we will send the login credentials of the app to you along with your kit's tracking number once we have shipped it. If you have ordered from a dealer or cannot find your login details, please contact technical_support@cycmotor.com along with your receipt or proof of purchase.

Question 12

4. I don't have a CYC motor. Can I use your app for my ASI controller?

Accepted Answer

No. As per our agreement with ASI, the CYC Motor (BAC) app is strictly for CYC motor users only. We will not share the login credentials with any user without a receipt or proof of purchase of owning a CYC kit.

Question 13

5. I've ordered the wrong options! What should I do?

Accepted Answer

Don't stress if we haven't shipped your kit yet! We accept any changes to your order before final shipping confirmation. If you realised that you may have picked the wrong options or if you're uncertain after placing your order, simply contact our support team at support@cycmotor.com along with your order number to let them know and they will assist you accordingly.     If your order has already shipped, well then... still contact us because we'll be happy to help you sort it out in the best way possible. We also encourage you to familiarize yourself with our Returns and Refunds policy for detailed information.

Question 14

6. What payment options do you accept?

Accepted Answer

PayPal is linked to our website but we also accept Westen Union and bank transfers. You can contact support@cycmotor.com for information on payment details, shipping, and/ or tax.

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