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Silver cylindrical brushless motor kit with controller throttle and chain components

VEVOR

VEVOR 3000W 72V 4900rpm Brushless Motor Kit

SKU CH-14ST-FXRBC

A 3000W 72V brushless motor kit with controller, throttle, sprocket and chain for go-kart, e-bike or scooter DIY builds

  • TypeOther Appliances
  • Width9.84
  • 3000W brushless motor delivers strong torque for electric vehicle builds
  • 85% conversion efficiency reduces energy loss during operation
  • 5 N·m rated torque handles steep inclines and heavy loads
  • CW/CCW reversible rotation suits different drivetrain layouts
  • Kit includes controller throttle sprocket chain and hardware for DIY assembly

72V 3000W Brushless Motor Kit for DIY Electric

This kit supplies a 72V brushless DC motor rated at 3000W and 4900 RPM, plus a matching controller and twist-grip throttle. It targets builders converting go-karts, e-bikes, motorcycles or scooters who need high torque and reversible rotation. The motor weighs 7.1 kg and measures 134 x 107 x 112 mm.

Included Controller, Throttle and Drivetrain Parts

The bundle adds a motor controller, a multifunction twist-grip with three speed modes and reverse, a T8F 64-tooth sprocket, a 116-link T8F chain, an electronic lock with keys and a junction-box hardware set. These components provide the complete electrical and mechanical link between motor and wheel, so no separate drivetrain sourcing is required.

Straightforward Bolt-On Installation

Mounting uses the motor’s 5.3 x 4.2 x 4.4 inch footprint; the 9-tooth or 11-tooth pinion meshes with the supplied 64-tooth sprocket at the listed gear ratio. Wiring follows the manual’s colour code, but installers often reverse the CW/CCW leads or omit the soft-start calibration, causing jerky take-off or controller faults.

Highlights

  • 3000W brushless motor delivers strong torque for electric vehicle builds
  • 85% conversion efficiency reduces energy loss during operation
  • 5 N·m rated torque handles steep inclines and heavy loads
  • CW/CCW reversible rotation suits different drivetrain layouts
  • Kit includes controller throttle sprocket chain and hardware for DIY assembly

Specifications

TypeOther Appliances
Width9.84

Questions about this item

How often should I lubricate the T8F-116 chain and inspect the 64-tooth sprocket for wear?

Clean and lubricate the T8F-116 chain every few rides and check the 64-tooth sprocket teeth for hooking or uneven wear; replace both together when stretch or tooth damage appears.

What stops me from running the motor continuously at the 3000 W rating?

The controller thermal limit triggers first; sustained 3000 W output raises internal temperature until the protection circuit reduces current to protect the windings.

How loud is the kit at the rated 4900 rpm under load?

The assembly produces 70 dB at rated speed; the motor and controller cases become warm during all-day use but stay within the designed thermal envelope.

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