Razor Parts (Stock & Modded)
Razor Parts
The EMF CNC Sur-Ron style throttle, designed for easy integration with multiple controllers including Vevor, FarDriver, and E-Box Dragster, E-Box 1&2. This throttle features a Plug N' Play setup, making installation straightforward and hassle-free. It is compatible with most full-size dirt bike grips, although we recommend using our grips for the best fit and performance. Upgrade your ride with our reliable throttle option for a better feel!
Will not fit stock Tuttio Fardriver Harness
Choose Between Surron, Vevor, FarDriver, & E-Box Plug & Play Options! ( For Silver Kunray Controller Pick “Vevor” Option)
Check Out Adding Colored Screws As An Option (Sold separately)
40” Wire To Reach Controller With Ease
7/8” Standard Size Bar(Razor 7/8”)
NO GRIPS INCLUDED! Fits All EMF Options Grips Available For Extra . We recommend these styles for best fit. (Add On Below) HOW I INSTALL GRIPS VIDEO
Please Insure Your Clips Are All On Controller, This Will Plug Into The Key Lock Clip On Controller, Check To Make Sure A Previous Owner Did Not Cut It Off!
Fardriver is to OriginalFardriver Harness So Not Compatible with Lonestar or EMX Brandon Re-Clipped Harness
If Vevor Is Selected Then It Is For All Vevor 1,800watt, Vevor 2,000watt, or Vevor 3,000watt Sets
For The E-Box Dragster, E-Box 1 & 2. Reach out if you want to help betta test a different option
For any Questions on Controller Please Contact Us We Will Be Glad To Confirm
There Is No Returns, So All Products Were Tested In House Before Being Sent Out
The EMF Ventus 1 style throttle is a top seller, designed for easy integration with FarDriver Controllers. This throttle features a Plug N' Play setup, making installation straightforward and hassle-free. It is compatible with most full-size dirt bike grips, although we recommend using our grips for the best fit and performance. Clear up your bars by deleating the 3-Speed style switch with the mode switch on this throttle! Upgrade your ride with our reliable throttle option for a better feel!
Will not fit stock Tuttio Fardriver Harness
Fardriver Plug N’ Play! Only Check Out The Video Below!
Mode Switch WILL NOT WORK without following programing video
Momentary Mode Switch Plugs Into 3-Speed Clip Follow Video Below For Correct Programing
Check Out Adding Colored Screws As An Option (Sold separately)
40” Wire To Reach Controller With Ease
7/8” Standard Size Bar(Razor 7/8”)
GRIPS INCLUDED already Installed! Fits All Other EMF Options Grips Available For Extra . We recommend these styles for best fit. (Add On Below) HOW I INSTALL GRIPS VIDEO
Please Insure Your Clips Are All On Controller, This Will Plug Into The Key Lock Clip On Controller, Check To Make Sure A Previous Owner Did Not Cut It Off!
Fardriver is to Original Fardriver Harness So Not Compatible with Tuttio, Lonestar, or EMX Brandon Re-Clipped Harness.
For any Questions on Controller Please Contact Us We Will Be Glad To Confirm
There Is No Returns, So All Products Were Tested In House Before Being Sent Out
Includes Throttle, 2 Black Grips with 1 Installed on Throttle
EMF Sur‑Ron Style Throttle — Popular, Plug & Play, Tested
Our EMF Sur‑Ron style throttle is a community favorite for throttle upgrades and replacements. It’s built to be reliable, responsive, and easy to install — perfect for riders running Yozma, Strike Shadow, E‑Box, and other razor-style electric bikes. We offer multiple plug & play options to match popular controllers such as Fardriver and Vevor as well.
Key points
Multiple plug & play harness options available for common bikes and controllers.
Each throttle is bench‑tested for function and consistency before it’s boxed — we don’t ship untested parts.
One of the most trusted throttle dealers in the community because of our testing and quality control.
Popular choice for upgrades or direct replacements.
Ships next day with free shipping.
Compatibility & important note
Make sure your controller’s harness is not modified from the original connector clip. This throttle requires the stock harness wiring and will not work with a modified harness.
This product will not work on a stock Tuttio Fardriver harness.
What’s in the box
EMF Sur‑Ron style throttle (preassembled)
Matching plug & play harness (selected option)
Basic installation pads and instructions
Quality-checked, bench-tested unit
Are You Trying To Clean Up You DIY Builds look?! This Will Go Into Your Razors Plastic Covers And Simply Plugs Into EMF Amorge Battery Charge Port And Can Screw In Your Bike Where You Want!
PLEASE READ- This Is For Amorge Batteries with XT60 Charge Port Plug Onl!
Works For Slandered Amorge Manufactured Batteries (XT60 Port) E-Conic, HotPaxx, Momentum Watts Batteries
XT60 Size Plug
12 Inches Long For Easy access But Not To Much
Screws NOT Included
Fits Razor MX500 MX650 Swing arms (Not SX500)
Depending on wheel size for fit if you have modified aftermarket wheels
A Marcos Quality Print Product
Comes With Hardware!
Easy Install
Choose Whatever Colors You Want!
If You Need Help, Be Sure To Check Out Our Methods To Install Grips On Our YouTube Video.
There Is A Left And Right In Each Set. One Will Feel Squishier And Noticeably Thinner Than The Other, That Will Go On The Throttle Side
For Domino, Surron, And Talaria Throttle
If Bought Alone, It Will Be An Extra $5 Shipping
Grey option has changed to black tips and gray middle
This 3-speed option is designed to plug directly into the 3-speed clip on your Vevor or Fardriver controller. While this addition won't increase your bike's top speed, it provides you with various speed settings to enhance your riding experience in different conditions.
For Fardriver users, please be aware that the speed settings will initially be reversed. To correct this, refer to our helpful video guide on reversing the pins in the app. Enjoy the different options!
This Is Wired For Vevor Controller’s, Please Note That Speed -1 Will Be Slow, -2 Will Be High, -3 Will Be Medium. This Is Just How The Controllers Are Wired Internally. This Will NOT Make Your Bike Faster! Please Insure You Have The 3-Speed Clip Intact On the Controller And Is Not Cut Off From A Previous Owner.
Can Be Used For FarDriver Controller’s but -1 Speed And -3 Will Be Backwards So You Will Have To Change Them In FarDriver App Settings To Be Correct. SEE VIDEO BELOW
Cable 23” Length
Fits 7/8 Standard Bars (Razor 7/8 Bars)
For Vevor 1,800watt, Vevor 2,000watt, or Vevor 3,000watt Set
Choose Whatever Colors You Like!
If You Need Help Be Sure To Check Out Our Methods To Install Grips On Our YouTube Video!
For Domino, Surron and Talaria Throttle
If Bought Alone It Will Be An Extra $5 Shipping
The mount is specifically designed for Razor MX500, MX650, and MX500 models. It securely connects your Fardriver to the bottom of your Razor's frame, ensuring a stable and reliable setup. Compatible with Fardriver models ND72360-ND72450, this mount comes with all necessary hardware included for a hassle-free installation. Elevate your ride with this essential component that enhances performance and safety.
EMX Brandon Quality Print (new enhanced stronger model!)
Fits Fardriver 72260, 72300, 72450 Controller Bolt Pattern (72450 size on MX models does not work It is too big)
Fits Razor MX500, MX650, SX500
Includes 2 Brackets and Hardware
Mainly For Looks!
Now EMF Engraving
Fits Razor MX500 MX650 and SX500 Swing arms
A Marcos Quality Print Product
Comes with 2 for each side
We recommend getting a rag to cover the part and lightly tap it on with a hammer to make sure it is secured, they can fall out.
Universal Vented Number Plate — Wire Mesh with Titanium Bolts
Universal fit — mounts to moto style fork tubes
Vented design with built-in wire mesh for airflow and protection
Wire mesh secured with titanium bolts for a clean, corrosion-resistant finish
Includes 4 heavy-duty zip ties for quick, secure installation to the fork
Lightweight, durable construction
Clean, finished look that complements custom builds
What’s in the box:
1 vented number plate with wire mesh attached
Titanium bolts securing the mesh (installed)
4 zip ties for mounting to the fork
Notes:
Bolt-on mesh is pre-installed; no drilling required
Universal sizing
Designed for cosmetic and light debris protection; not intended as a full-impact guard
Replace your front or rear axel with on your Razor!
Fits Razor: MX500, MX650, SX500, RSF650, Indian650 Stock Forks & Swing Arms. Fits EMF razor extensions and others
Have Not confirmed if they fit on ride or die forks or mwmm let me know if you test!
Deep Well 3/4” Sockets Help!
Same as Stock Rear Sprocket.
Fits MX500, MX650, SX500, RSF650, Indian650
H25 ×0 Tooth Rear Sprocket
Bolt Onto Razor Wheel (500/650 Models)
This will fit the MY1020 Motor, KR5V Motor (Gen One), and Some E&C Motors (Please Check)
The #35 size front sprocket is an excellent choice for various motors, including the MY1020, KR5V, and certain E&C models. When paired with a 10-tooth and the EMF #35 65T rear, you achieve a gear ratio of 11/65, which translates to a 5.9 gear ratio. This setup offers the advantage of increased top speed while maintaining sufficient torque, especially beneficial for high-wattage motors.
Recommended for bigger motors this combination of this sprocket and chain set optimizes performance, ensuring that riders can enjoy enhanced acceleration and speed without sacrificing the power needed for uphill climbs and tricky terrains. Whether you’re looking to upgrade or replace existing components, this sprocket is a good reliable option for your larger electric motor setup.
Note: The KR5V Motor Has Made An Update To The Shaft. The New Model Will NOT Work With This Sprocket. We Will Add The New Stronger Option Soon!
For #35 Size Chain Only
Recommended For Higher Amp 72v Batteries, Controller, and Motor Set Up's, Best Resalts over 100 Line Amps)
May Need Half Link For EMF Chain Set
Includes Choice Of One 9 Or 11 Tooth Sprocket
Introducing the EMF #35 65 Tooth Rear Sprocket only, designed to bolt on razor wheels to enhance your riding experience with its robust performance. This sprocket size is one size larger than the T8F chain size, offering greater reliability for higher power motors.
Not only does it perform reliably, but it looks great too — available in multiple color options to match your style. Choose from Red, Blue, Purple or Silver to customize your Razor. Each finish is durable, scratch-resistant, and designed to maintain its color under daily use. Mix and match parts to create a coordinated build or pick a standout accent piece — either way, you get safe, high-quality components that elevate both function and looks.
Upgrade your system with the EMF #35 Razor Bolt On Sprocket Set and experience improved durability and performance on your electric ride!
Rear Sprocket individually Sold For Whatever Creation Your Doing!
Fit’s Bolt On to Stock Razor Wheel: MX500, MX650, SX500, RSF650, Indian 650, MX350
Recommend Swing Arm Extension's or Det Fab Chain Tensioner Bracket ( May Need Half Link If You Change Front To 11T)
Includes The Rear 65 Tooth Sprocket For Razor Stock Rear Wheel On: MX500, MX650, SX500, RSF650, Indian 650, and MX350 (Does NOT work with stock razor chain)
This Is For the Sotion FW-11 & GTS11 MOTOR ONLY!
9 Tooth
For #420 Chain Size Only (STOCK RAZOR IS #H25)
For #35 Motor Sprocket Size Please See Det Fab
For Rear We Recomend To Check Out http://rebelgears.com/ For a Custom Sprocket
1 Motor Sprocket Included
This Is For V2 KR5V MOTOR ONLY!
Check Our Recomended Ratios Video Below
For #35 Chain Size Only (STOCK RAZOR IS #H25)
1 Motor Sprocket Included
This Is For the Sotion FW-11 & GTS11 MOTOR ONLY!
Check Our Recomended Ratios Video Below
For #35 Chain Size Only (STOCK RAZOR IS #H25)
1 Motor Sprocket Included
This Is For the Kunray KR5V V2 & V3 MOTOR ONLY!
9 Tooth
For #420 Chain Size Only (STOCK RAZOR IS #H25)
1 Motor Sprocket Included
The KR5V 5KW Motor strikes the perfect balance between the MY120 motor and the high-powered Sotion FW-11. It delivers impressive torque and power while remaining an affordable option in the IPM motor category. IPM (Interior Permanent Magnet) motors are the go-to choice for many popular e-motos such as Sur-Rons, E-Ride Pros, Talarias, and other top-tier electric vehicles due to their efficiency and reliability.
Specifically designed to fit Razor 500 and 650 size models, the KR5V offers a seamless upgrade that boosts your bike’s performance without the hassle of complex modifications. At Electric Moto Family, we’re proud to have collaborated closely with the community and Kunray, providing valuable feedback to help develop this motor into a reliable and powerful option tailored for electric razor bikes.
If you’re seeking a high-torque, high-power motor that’s built for both performance and affordability, the KR5V 5KW is a standout choice. Perfect for riders looking to elevate their ride while sticking with a proven technology widely trusted in the e-moto industry.
Fast shipping! 3-7 business days from ordered!
Bolt On To Razor MX500, MX650, SX500, Indian650, RSF 650
Do NOT Exceed 150 Degrease Fahrenheit (65 Celsius) This Could Resalt it Motor Failure
With 6.0 Gear Ratio We ar e Hitting 60MPH at Full Battery on 72 Volt with 100 Line Amps ( Can Vary Depending on Riders Weight, Wheel Size, Chain Size, Tire Size, and Train.
High Torque Output
Works Great With Fardriver Controllers
Motor Comes With #35 Sprocket 9 Tooth
Includes Un‑Tuned Fardriver ND72450 controller.
What sets our controller apart is the built‑in PARK function option.(Choose Park Mode or No Park Mode). When the bike powers on it will always start in Park until the Park button is pressed—just like a traditional E‑Moto. If the vehicle is left on but untouched for 2 minutes, the controller automatically returns to Park. We built this safety feature because we know how easily accidents can happen when a key is left on and the throttle is bumped.
What’s included
Fardriver ND72450 controller hall sensor
Fardriver adapter harness for easy plug‑and‑play integration with our Key/Voltmeter options (Key/Voltmeter sold separately)
Basic park switch. (other universal EMF options available to use)
Recommended add‑ons
Any Fardriver throttle option (we recommend pairing an EMF one no issues)
Tons of additional Fardriver accessories available on the Fardriver Parts & Accessories page
Why choose this controller
Safety‑first Park function prevents accidental throttle movement
Automatic re‑park after 2 minutes of inactivity
Simple plug‑and‑play setup with our adapter harness allowing EMF plug & play display harness options
Resources
Check our tuning and start‑up videos below for step‑by‑step guidance. (QR codes to Install Video will also be on packaging)
Need help choosing the right Key/Voltmeter or throttle? Check out the video below or reach out—we love helping our community get a safe, reliable setup.
This aluminum sprocket fits pit bike wheels commonly used on Razor, Tuttio, and other similar electric bike builds. Precision-cut for reliable engagement and long life, it’s a direct bolt-on upgrade that works with standard chains and bolt patterns found on most razor-style drivetrains.
Key features:
This sprocket is for pit bike wheels commonly used on Razor, Tuttio and other similar builds! Does Not Fit Stock Wheels see our other options for razor wheels!
Available in multiple colors to match your custom build
Durable finish resists corrosion and road wear
Simple bolt-on installation — no fabrication required (Bolts not Included)
Perfect for riders who want a reliable, attractive drivetrain component that keeps their electric bike running clean and looking sharp. Please check out the videos below that help explain chain sizes and gear ratios!
They Are T25 Star Bit *DO NOT STRIP BOLTS, NOT THE SAME AS STOCK!
Comes With All 12 Screws For Front And Rear Rotor
Fits Stock Razor Rims
Do Not Overtighten!
Introducing our latest chain option, designed for those seeking a stronger and more robust alternative to the commonly used H25 or T8F chains on mini bikes. This upgraded chain is engineered to handle higher cc's or wattage, providing enhanced performance and reliability.
With its larger size it helps it to stay on track better, ensuring a smoother ride and minimizing the chances of slippage. Whether you’re cruising around the neighborhood or tackling more intense rides, this robust chain will elevate your biking experience. Embrace the innovation and upgrade your setup today!
This is the #35 Size chain to go with #35 tooth size sprockets.
Comes with 1 chain with a master link! You will most likely have to cut it to fit your set up. Please make sure it is the long enough length
Includes 1 Chain as shown
Basic AA 12V Power Box — Power ONE EMF Accessory Anywhere
Give your Bike a simple, portable 12V power source with our Basic AA Power Box. Designed to run a single EMF 12V accessory using eight AA batteries (batteries sold separately), this compact unit is perfect for testing, temporary installs, or If you only want 1 accessory to keep it simple! You can change out for a different EMF Power Supply down the road and your accessory will plug right in with 5 more.
Features
Powers one 12V EMF accessory (limited by AA battery amperage)
Requires 8 × AA batteries (not included)
Two output ports:
White = accessory output
Black = accessory On/Off switch input (for use with our EMF On/Off Switch, sold separately)
Built-in On/Off switch on the box — use it if you don’t have the external switch installed (leave jumper plug in place)
Includes: 12V Power Box, Velcro mount strip, On/Off switch jumper
Compatible Accessories (sold separately)
Head Light options
Tail Light
Horn
Under Glow
Rock Light
And other 12V EMF accessories
Notes & Recommendations
This unit supplies limited current from AA cells — it’s intended for one low-draw accessory. High-draw items will rapidly drain batteries or may not last long.
For multi-accessory setups or higher current needs, choose a higher-capacity power solution from our lineup.
Velcro strip included for easy, secure mounting and removal to replace batteries
Simple, safe, and affordable—our Basic AA Power Box is a convenient way to add a single 12V accessory to your gas or electric bike without permanent wiring.
If you want your EMF Swing Arm Extensions to match your other parts, this is for you! We offer a variety of color options including Red, Blue, Black, and Purple, allowing you to replace those stock silver ones with a look that complements your ride. Enhance the aesthetics of your electric razor bike while maintaining the safety and reliability you expect from Electric Moto Family. Upgrade your swing arm extensions today and make your bike truly yours!
Choose Red, Blue, Green, Or Purple
Fits EMF Swing Arm Extensions Gen1, Gen2, & Gen 3
Includes Both Sides (2 Axel Sliders)
Upgrade your Razor MX500, MX650, or SX500 with our innovative swing arm extension — engineered to give your ride the handling and adjustability of a real dirt bike. New black option available!
What it does
Extends the rear wheel 3.25"–4.25" for improved balance and stability on trails
Eliminates the need for the chain tensioner so you can adjust chain tension like a conventional dirt bike
Slots in the design allow easy fore/aft adjustment after the wheel is installed for a precise fit
What’s included
Left and right swing arm extension arms (Gen 3)
Brake bracket
Axle
All installation hardware and brake caliper fasteners
Reference lines on Gen 3 for slider positioning
Gen 3 upgrades
Extra bottom support added for increased strength
Position reference lines to simplify slider alignment
Now fits the SX model
Notes & installation
Installation requires drilling holes through your existing swing arm. All necessary hardware for mounting and brake caliper attachment is included.
You will need a longer chain to accommodate the increased wheelbase.
We recommend using thread locker (Locktite) on all screws for the best results.
You will need to drill your stock swing arm
Options
Compatible colored axles and axle sliders are available separately — choose the color that matches your build!
Why this upgrade
Safer, more predictable handling on rough terrain
Cleaner drivetrain setup without the chain tensioner
Durable, bolt-on solution for larger wheels that retains compatibility with your original components
This plug-and-play throttle system is designed for Vevor controllers operating at 72v or 48v. It features a striking red display and is available in various grip colors, including red, blue, and silver. The throttle is straightforward yet fully functional, equipped with a 3-speed switch that allows you to select modes (will not increase speed),.
Additionally, a built-in voltmeter provides real-time battery voltage readings, enabling you to monitor your battery status effectively. To enhance security, this system also includes a key lock, helping to deter theft and keep your bike safe when not in use. Overall, it's an affordable upgrade for any razor builder with a Vevor Controller seeking all 3 options on a throttle!
This is a cheaper style throttle but has all the extras to have this is only available for Vevor Controller’s for now
3-Speed, Key, and 36volt-100volt Meter (Only Red Display)
*Note* We get asked a lot if grips will go on this throttle, please refer to our picture comparing to the EMF Surron Throttle showing it's shorter in length. It is possible to carefully cut grips off and put our colored grip on with some overhanging but we don’t recommend it
All Color Tip Options Have Red Voltmeter LED Display
If you Have larger hands, your hand may not fit as well as a With full size throttle
Please Insure Your Clips Are All On Controller, This Will Plug Into The Key Lock Clip On Controller Check To Make Sure A Previous Owner Did Not Cut It Off!
For Vevor 1,800watt, Vevor 2,000watt, or Vevor 3,000watt Set
For 72 Volt Controllers you will attach the adapter cable between controller and volt meter (Electric Lock Label Plug)
When adding to cart you will choose 48 volt or 72 volt Vevor controller
Build you’re own 12v Light set
plug & play