Crazy CartMods

Tap the title to explore the upgrades

The same brushless build ChargedUp sells, with parts straight from AliExpress and Amazon. Never sold out!

Ready-made kits
7070 build7070 build8 parts · Flipsky 7070 brushless build
V3 SL120 kitV3 SL120 kit12 parts · SL120-30IPM brushless build
1Motor

Pick one motor.

Flipsky 7070 motorFlipsky 7070 motorBrushless, up to 84 V · AliExpress SL120-30IPM motorSL120-30IPM motorV3 kit motor · AliExpress
2Motor mount

Pick the one that fits your motor.

SL120-30IPM motor mountSL120-30IPM motor mountV3 bracket · ChargedUp3D
3Seat

For the standard Crazy Cart.

Seat adapter plateSeat adapter plateTottoms
4Controller

Runs the brushless motor. Works with both motors.

5Battery
Standard Crazy Cart batteriesStandard Crazy Cart batteriesOnly Amps 60 V battery60 V batteryCrazy Cart pack · R Delta Design Battery boxBattery boxCustom size, made to fit your battery · R Delta Design 48 V LiFePO4 battery48 V LiFePO4 battery + charger$160 · Safest battery type XT90 anti-spark connectorsXT90 anti-spark connectors$8 · Protects the controller
6Wiring
Hall wireHall wireFor SL120-30IPM · ChargedUp3D Phase wiresPhase wiresWorks with both motors · ChargedUp3D 3-pin throttle cable3-pin throttle cableWorks with both motors · ChargedUp3D
7Drivetrain

A new motor needs a new sprocket and a longer chain.

15T motor sprocket15T motor sprocket$10 · 10 mm shaft, #25 chain · Amazon 10 mm bore sprocket10 mm bore sprocketPick your tooth count · ChargedUp3D
8Steering & wheels

Headset bearing and solid front tire together fix the wobble at high speed.

Headset bearingHeadset bearing$17 · Stops speed wobble
9Brakes

At 35+ mph you need a real brake. These parts make a simple disc brake for about $100.

Wheel hubWheel hub$52 · Amazon 120 mm disc rotor120 mm disc rotor$15 · Electric Scooter Parts Brake caliperBrake caliper$18 · Electric Scooter Parts Brake leverBrake lever$10 · Electric Scooter Parts
Other upgrade routes

Cheaper ways to go faster. All give about 30–50 min ride time on lead acid batteries.

Stock motor at 48 V~$79 · ~20 mph
350 W motor~$173 · ~26 mph · forks need modding
500 W XL motor~$191 · ~32 mph · bolts straight in
Flipsky brushless~$302 · 35–40+ mph
Good to know

Buy used on Marketplace or local classifieds. If a link is dead, search the part name and match the photos. Wear a helmet and test your brakes before going fast.

Full mod listEvery part, motor and mod Motor mount templateFree · Cut from 16 gauge sheet metal Brake mount templateFree · Print at 32% scale