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Razor Parts > Razor SX500 McGrath Parts

Razor® SX500 McGrath Electric Dirt Bike Parts

Razor SX500 McGrath Owners Manual
Razor SX500 McGrath Wiring Diagram Version 1+
Razor SX500 McGrath Chain and Tire Replacement Manual

Modification Kits for the Razor SX500 Electric Dirt Bike

We have modification kits available to upgrade the Razor SX500 dirt bike to have an 1800 Watt brushless DC electric motor and reach speeds up to 30 MPH.

Battery Set for Razor® SX500 McGrath Electric Dirt Bike
Set of three 12Ah batteries for all versions of the Razor® SX500 McGrath electric dirt bike. Includes 12 month battery replacement warranty.
Warranty Details
Item # RMX-BATTERIES

$119.85

Battery Set for Razor® SX500 McGrath Electric Dirt Bike
(Extended Range)

Set of three 15Ah batteries for the Razor® SX500 McGrath Dirt Rocket electric dirt bike. Provide 25% more mileage range than the 12Ah batteries sold above. Includes 12 month battery replacement warranty.
Warranty Details
Item # RMX-BATTERIES-XR

$134.85

Battery Set with Harness for Razor® SX500 McGrath Electric Dirt Bike
Battery set with wiring harness for all versions of the Razor® SX500 McGrath electric dirt bikes. Three 12Ah batteries. Includes 12 month battery replacement warranty.
Warranty Details
Item # RMX-BATTERIES2

$139.95

Battery Set with Harness for Razor® SX500 McGrath Electric Dirt Bike
(Extended Range)

Battery set with wiring harness for all versions of the Razor® SX500 McGrath electric dirt bikes. Three 15Ah batteries. Provide 25% more mileage range than the 12Ah battery set sold above. Includes 12 month battery replacement warranty.
Warranty Details
Item # RMX-BATTERIES2-XR

$154.95

Off Board Charging Adapter for Razor® SX500 Electric Dirt Bike
Off board charging adapter for all versions of the Razor® SX500 Dirt Rocket electric dirt bike. This adapter is for charging the battery pack when it is outside of the vehicle.
Item # RAZ-OBC-ADAPTER1

$9.95

Battery Charger for Razor® SX500 McGrath Electric Dirt Bike
Original battery charger for the Razor® SX500 McGrath electric dirt bike. Charger rating 36 Volt 1.67 Amp (1670mA).
Item # CHR-36V1.67AXLR

$39.95

Battery Charger Replacement for Razor® SX500 McGrath Electric Dirt Bike
Replacement battery charger for the SX500 McGrath electric dirt bike. Charger rating 36 Volt 1.6 Amp (1600mA).
Item # CHR-36V1.6AXLR

$32.95

Quick-Charge Battery Charger for Razor® SX500 McGrath Electric Dirt Bike
Fast rate battery charger for the Razor® SX500 McGrath electric dirt bike. This charger takes around half the time that the original charger takes to recharge the battery pack. Charger rating 36 Volt 2.5 Amp (2500mA).
Item # CHR-36V2.5AXLR

$43.95

Charger Port for Razor® SX500 McGrath Electric Dirt Bike
Battery charger port for the Razor® SX500 McGrath electric dirt bike.
Item # RMX-CHARGERPORT

$6.95

Tire for Razor® SX500 McGrath Electric Dirt Bike
Front or rear tire for the Razor® SX500 McGrath electric dirt bike.
Item # TIR-2.50-10

$29.95

Inner Tube for Razor® SX500 McGrath Electric Dirt Bike
Front or rear inner tube for the Razor® SX500 McGrath electric dirt bike.
Item # TUB-2.50-10

$12.95

Front Wheel for Razor® SX500 McGrath Electric Dirt Bike
Front wheel with tire, tube, brake rotor, bearings, and axle for the Razor® SX500 McGrath electric dirt bike.
Item # SX500-FRONTWHEEL

$59.95

Front Axle for Razor® SX500 McGrath Electric Dirt Bike
Front axle with bushings, washers, and nut for the Razor® SX500 McGrath electric dirt bike.
Item # SX500-FRONTAXLE

$9.95

Rear Wheel for Razor® SX500 McGrath Electric Dirt Bike
Rear wheel with tire, tube, chain sprocket, brake rotor, bearings, and axle for the Razor® SX500 McGrath electric dirt bike.
Item # SX500-REARWHEEL

$79.95

Front or Rear Wheel Bearing Set for Razor® SX500 McGrath Electric Dirt Bike
Set of two wheel bearings for all versions of the Razor® SX500 McGrath electric dirt bike. Fits front and rear wheels. Each wheel uses one set of these bearings.
Item # RAZ-BEARINGSET4

$5.95

Grips for Razor® SX500 McGrath Electric Dirt Bike
Handlebar grip set for the Razor® SX500 McGrath electric dirt bike.
Item # RAZ-GRIPS3

$6.95

Handlebar Grip Set for Razor® SX500 McGrath Electric Dirt Bike
Handlebar grip set for the Razor® SX500 McGrath electric dirt bike.
Item # GRP-55SET

$4.95

Throttle Top Speed Adjustable Limiter for Razor® SX500 McGrath Electric Dirt Bike
Adjustable top speed limiter for the Razor® SX500 McGrath electric dirt bike. Use a mini screwdriver to adjust the top speed from 5-100% and anywhere in between. Easy to install. Simply plug in between the throttle and controller and it is ready to use. Ideal for training beginning riders because the top speed can be adjusted slower at first and then faster as their riding skill level increases.
Item # RAZ-LIMITER2

$9.95

Throttle for Razor® SX500 McGrath Electric Dirt Bike
Twist throttle with indicator lights for Razor® SX500 McGrath electric dirt bike.
Item # THR-61

$19.95

Speed Controller for Razor® SX500 McGrath Electric Dirt Bike
Speed controller / control module for Razor® SX500 McGrath electric dirt bike.
Item # SPD-CT312C1-6

$34.95

Speed Controller and Throttle Replacement Kit for Razor® SX500 McGrath Electric Dirt Bike
Speed controller / control module and throttle kit for the Razor® SX500 McGrath Electric Dirt Bike. Easy plug and play installation.
Item # RAZ-EKIT12

$59.95

Speed Controller and Throttle Replacement Kit for Razor® SX500 McGrath Electric Dirt Bike
Speed controller and throttle kit for the Razor® SX500 McGrath Electric dirt bike. If the throttle or speed controller sold above is out of stock then the bike's control module and throttle can both be replaced at the same time with this kit. Easy plug and play installation.
Item # RAZ-EKIT6

$59.95

Motor for Razor® SX500 Electric Dirt Bike
Electric motor with chain sprocket for the Razor® SX500 McGrath electric dirt bike.
Item # MOT-MX500

$79.95

Motor Sprocket for Razor® SX500 McGrath Electric Dirt Bike
Original size 11 tooth motor sprocket for all version of the Razor® SX500 McGrath electric dirt bike.
Item # SPR-2511C

$9.95

Motor Sprocket for Razor® SX500 McGrath Electric Dirt Bike
Larger size 13 tooth motor sprocket for all version of the Razor® SX500 McGrath electric dirt bike. This sprocket has two more teeth than the original motor sprocket and will increase the top speed of the bike by a few miles per hour, however the trade off is that the bikes acceleration and hill climbing ability will be slightly lower than using the original 11 tooth sprocket. Recommended only for bikes that are driven primarily on flat ground.
Item # SPR-2513E1

$9.95

Chain with Master Link for Razor® SX500 McGrath Electric Dirt Bike
Chain with master link for the Razor® SX500 McGrath electric dirt bike.
Item # RMX-CHAIN

Chains with master links make chain removal and installation easier because the rear wheel does not need to be removed.

$9.95

Continuous Loop Chain for Razor® SX500 McGrath Electric Dirt Bike
Original OEM style continuous loop chain for all versions of the Razor® SX500 McGrath electric dirt bike. This chain does not have and does not require a master link.
Item # RMX-CHAIN-CL

$11.95

Wheel Sprocket for Razor® SX500 McGrath Electric Dirt Bike
Rear wheel chain sprocket for all versions of the Razor® SX500 McGrath electric dirt bike.
Item # RMX-SPROCKET

$19.95

Wheel Sprocket with Inner and Outer Chain Guards for Razor® SX500 McGrath Electric Dirt Bike
Rear wheel chain sprocket with inner and outer black plastic chain guards for all versions of the Razor® SX500 McGrath electric dirt bike.
Item # RMX-SPROCKET1

$24.95

Wheel Sprocket with Inner and Outer Chain Guards and Freewheel for Razor® SX500 McGrath Electric Dirt Bike
Rear wheel chain sprocket with inner and outer black plastic chain guards and attached freewheel for all versions of the Razor® SX500 McGrath electric dirt bike.
Item # RMX-SPROCKET2

$42.95

Sprocket To Freewheel Nut and Bolt Set for Razor® SX500 McGrath Electric Dirt Bike
Stainless steel rear wheel sprocket to freewheel nut and bolt set for all versions of of the Razor® SX500 McGrath electric dirt bike. Includes four stainless steel bolts and four stainless steel nylon-insert locknuts.
Item # HDW-100

$2.95

Freewheel Clutch for Razor® SX500 McGrath Electric Dirt Bike
Rear wheel freewheel clutch for all versions of the Razor® SX500 McGrath electric dirt bike.
Item # FWM-120

$14.95

Four Notch Freewheel Removal Tool
Freewheel removal and installation tool. Removes and installs 4-notch and 8-notch freewheels found on the Razor SX500 McGrath electric dirt bike. Professional quality nickel plated forged steel tool.
Item # FWM-400

$9.95

Chain Tension Adjuster for Razor® SX500 McGrath Electric Dirt Bike
Replacement chain tension adjuster with spring for the Razor® SX500 McGrath electric dirt bike.
Item # RMX-TENSIONER

$9.95

Power Switch for Razor® SX500 McGrath Electric Dirt Bike
On/Off power switch for all version of the Razor® SX500 McGrath electric dirt bike.
Item # SWT-156

$5.95

Power Switch Cover for Razor® SX500 McGrath Electric Dirt Bike
On/Off power switch cover for all version of the Razor® SX500 McGrath electric dirt bike.
Item # SWT-C150

$0.95

Power Switch with Wiring Harness for Razor® SX500 McGrath Electric Dirt Bike
On/Off power switch with wiring harness and switch cover for the Razor® SX500 McGrath electric dirt bike.
Item # SWT-164

$9.95

Fuse for Razor® SX500 McGrath Electric Dirt Bike
Fuse for the Razor® SX500 McGrath electric dirt bike. Fuse rating 30 Amp.
Item # FUS-ATO30

$.95

Left Hand Brake Lever for Razor® SX500 McGrath Electric Dirt Bike
Brake lever for the Razor® SX500 McGrath electric dirt bike. For left hand side of handlebars.
Item # RAZ-LEV3

$12.95

Right Hand Brake Lever for Razor® SX500 McGrath Electric Dirt Bike
Brake lever for the Razor® SX500 McGrath electric dirt bike. For right hand side of handlebars.
Item # RAZ-LEV4

$12.95

Upgrade Left Hand Brake Lever for Razor® SX500 McGrath Electric Dirt Bike
Upgrade aluminum brake lever for the Razor® SX500 McGrath electric dirt bike. For left hand side of handlebars.
Item # RAZ-LEV5

$14.95

Upgrade Right Hand Brake Lever for Razor® SX500 McGrath Electric Dirt Bike
Upgrade aluminum brake lever for the Razor® SX500 McGrath electric dirt bike. For right hand side of handlebars.
Item # RAZ-LEV6

$14.95

Front Brake Cable for Razor® SX500 McGrath Electric Dirt Bike
Front brake cable for the Razor® SX500 McGrath electric dirt bike.
Item # CBL-030

$5.79

Rear Brake Cable for Razor® SX500 McGrath Electric Dirt Bike
Rear brake cable for the Razor® SX500 McGrath electric dirt bike.
Item # CBL-061

$6.95

Brake Caliper for Razor® SX500 McGrath Electric Dirt Bike
Brake caliper with brake pads and mounting hardware for the Razor® SX500 McGrath electric dirt bike. This brake caliper fits both front and back wheels.
Item # BRK-500R-3M

$19.95

Brake Pad Set for Razor® SX500 McGrath Electric Dirt Bike
Brake pad set for the Razor® SX500 McGrath electric dirt bike.
Item # BRK-500P-V1

These brake pads are both the exact same size. Some Razor® SX500 dirt bikes have brake pads that are slightly different sizes. Different size brake pads are sold below.

$8.95

Brake Pad Set for Razor® SX500 McGrath Electric Dirt Bike
Brake pad set for the Razor® SX500 McGrath electric dirt bike.
Item # BRK-500P-V2

These brake pads are slightly different sizes. Some Razor® SX500 dirt bikes have brake pads that are both the exact same size. Same size brake pads are sold above.

$8.95

Front Brake Rotor for Razor® SX500 McGrath Electric Dirt Bike
Front brake rotor for the Razor® SX500 McGrath electric dirt bike. Fits the front wheel only.
Item # BRK-515-3M-1

$19.95

Rear Brake Rotor for Razor® SX500 McGrath Electric Dirt Bike
Rear brake rotor for the Razor® SX500 McGrath electric dirt bike. Fits the rear wheel only.
Item # BRK-512-3M-1

$19.95

Set of 6 Brake Rotor Mounting Bolts for Razor® SX500 McGrath Electric Dirt Bike
Set of six brake rotor mounting bolts for all versions of the Razor® SX500 McGrath electric dirt bike. Compatible with front and rear brake rotors.
Item # RAZ-ROTORBOLTS1

$1.19

4mm Hex (Allen) Disc Brake Rotor Mounting Bolt Tool Razor® SX500 McGrath Electric Dirt Bike
Disc brake rotor mounting bolt tool with 4mm hex (Allen) ends. Compatible with SX500 McGrath brake rotor mounting bolts.
Item # BRK-598

$0.50

Handlebar Clamps for Razor® SX500 McGrath Electric Dirt Bike
Handlebar clamps with mounting hardware for the Razor® SX500 McGrath electric dirt bike.
Item # RAZ-CLAMPS

$12.95

Swingarm Bolt with Bushing for Razor® Dirt Rocket SX500 Electric Dirt Bike
Swingarm bolt with bushing for the Razor® Dirt Rocket SX500 electric dirt bike.
Item # RMX-SWINGARMBOLT

$9.95

Rear Shock Absorber for Razor® SX500 McGrath Electric Dirt Bike
Rear shock absorber with mounting hardware for the Razor® SX500 McGrath electric dirt bike.
Item # RAZ-REARSHOCK2

$14.95

Shock Absorber Mounting Nut and Bolt for Razor® SX500 McGrath Electric Dirt Bike
Shock absorber mounting nut and bolt for the Razor® SX500 McGrath electric dirt bike.

Item # SHK-105

$2.95

Shock Absorber Mounting Sleeve and Spacers for Razor® SX500 McGrath Electric Dirt Bike
Shock absorber mounting sleeve with two nylon spacers for the Razor® SX500 McGrath electric dirt bike.

Item # SHK-130

$2.95

Front Fork for Razor® SX500 McGrath Electric Dirt Bike
Front suspension fork with frame mounting bolt, washers, and nut for the Razor® SX500 McGrath electric dirt bike.
Item # SX500-FRONTFORK

$44.95

Fork Seals for Razor® SX500 McGrath Electric Dirt Bike
Front fork seals for the Razor® SX500 McGrath electric dirt bike.
Item # RMX-FORKSEALS

$9.95

Chain Guard for Razor® SX500 McGrath Electric Dirt Bike
Chain guard with mounting screws for the Razor® SX500 McGrath electric dirt bike.
Item # RMX-CHAINGUARD

$9.95

Kickstand for Razor® SX500 McGrath Electric Dirt Bike
Kickstand for the Razor® SX500 McGrath electric dirt bike. Includes spring, mounting bolt, and lock washer.
Item # RMX-KICKSTAND

$9.95

Number Plate for Razor® SX500 McGrath Electric Dirt Bike
Number Plate for the Razor® SX500 McGrath electric dirt bike.
Item # SX500-NUMBERPLATE

$9.95

Battery Cover for Razor® SX500 McGrath Electric Dirt Bike
Battery cover for the Razor® SX500 McGrath electric dirt bike.
Item # SX500-BATTERYCOVER

$24.95

Seat with Body Fairing for Razor® SX500 McGrath Electric Dirt Bike
Seat with body fairing for the Razor® SX500 McGrath electric dirt bike.
Item # SX500-SEAT

$35.95

Front Fender for Razor® SX500 McGrath Electric Dirt Bike
Front fender for the Razor® SX500 McGrath electric dirt bike.
Item # SX500-FRONTFENDER

$6.95

Safety Warning Bell for Razor® SX500 McGrath Electric Dirt Bike
Safety warning bell for the Razor® SX500 McGrath electric dirt bike. Pleasant sounding and attention grabbing chime bell sound lets others know that you are on the road in a friendly yet effective way.
Item # BEL-300

$2.95

Safety Warning Bell for Razor® SX500 McGrath Electric Dirt Bike
Pleasant sounding and attention grabbing bell sound. Built-in real magnetic compass. Easy to install.
Item # BEL-360

$3.95

5000 Lumen 3 LED Ultra-Bright Headlight for Razor® SX500 McGrath Electric Dirt Bike
Super bright 5000 lumen rechargeable LED headlight set for the Razor® SX500 McGrath electric dirt bike. Machined aluminum and glass headlight construction with very good build quality. Push button switch on back of light activates three different power modes: low, high, and flashing. Low power mode is bright and suitable for most riding conditions. High power mode is extremely bright and suitable for higher speed riding and off-road trails. In flashing mode this light blinks on and off very fast. Includes optional adjustable headband, 5000 lumen seven LED headlight, handlebar and headband mounting bands, 110-240VAC universal battery charger and a 9600mAh 8.4 Volt rechargeable lithium-ion battery in a black nylon carry case with Velcro mounting straps. The battery lasts around 3 hours on low mode and 2 hours on high mode and takes 1-5 hours to fully recharge depending on how long the light was on for.
Item # LIT-140

$34.95

53 LED Headlight for Razor® SX500 McGrath Electric Dirt Bike
Bright 53 LED headlight. Top mounted push button switch activates three different power modes: low, medium and high. High power mode turns on all 53 LED's at once. This headlight lights up the road very well at night compared to most other LED headlights. Requires 3 AA cell batteries. (batteries not included)
Item # LIT-53LED

$11.95

Front Safety Reflector for Razor® SX500 McGrath Electric Dirt Bike
White safety reflector for front handlebars.
Item # REF-150

$4.95

2-1/2" Valve Stem Extender for Razor® SX500 McGrath Electric Dirt Bike
2-1/2" long chrome-plated brass valve stem extender with cap. For filling hard to reach valve stems.
Item # VXT-160

$2.79

7-1/4" Brass Valve Stem Extender for Razor® SX500 McGrath Electric Dirt Bike
7-1/4" overall extension length. For hard to reach valve stems. Rubber hose with brass hardware.
Item # VXT-714

$7.95

Green Slide® Chain Lube for Razor® SX500 McGrath Electric Dirt Bike
Green Slide® safe and biodegradable chain lube. The perfect lube for electric scooters and bikes. Made from highly modified tree and plant oils with all natural cling and anti-oxidation additives.
4 fluid ounce / 120 ml bottle. More Information
Item # GSL-4OZ

$4.95

Slime® Inner Tube Sealant for all Razor® SX500 McGrath Electric Dirt Bikes
Instantly seals punctures in the tread area up to 1/8". Remains liquid, evenly coating the inside of the tube. Non-flammable, non-toxic, water soluble, easy to use. For the Razor® SX500 McGrath electric dirt bike use 1/2 bottle of sealant per tire. 8 fluid ounce / 237mL bottle.
Item # TIR-SL8

$7.95

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