Product Features and Specifications
Voltage Compatibility: 12V to 72V DC
Control Gears: 3-position gear switch + 10-speed control knob
Wire Configuration: 6 wires with 2 connectors
Wire Length: 15.4 inch (390mm)
Material: High-quality ABS plastic & metal alloy
Installation: Universal mount, plug & play
Product Use: Twist-style throttle or speed limiter
Size Compatibility: Designed for 22mm (0.87 inch) handlebars
Connection Type: 3-pin standard connector

Product Description
Upgrade your electric vehicle's control system with this universal 12V–72V twist speed limiter knob. Designed for versatility and precision, this throttle knob features a 3-gear switch and 10-speed rotary adjustment to fine-tune your vehicle's speed response based on terrain or user preference.
Engineered with a wide voltage compatibility range (12V to 72V), it is ideal for use in electric ATVs, scooters, UTVs, e-bikes, drift trikes, wheelchairs, and more. Whether you are building a DIY electric go-kart or replacing a worn-out throttle handle, this speed control knob offers an efficient and reliable upgrade.
With a 6-wire design and 15.4 inch (390mm) wire length, installation is simple and intuitive. Crafted with a durable ABS plastic exterior and robust internal metal parts, it's built to withstand frequent use across various riding environments.
Whether for performance tuning or everyday commuting, this speed limiter twist knob provides you with precise throttle control and enhanced riding safety.

Key Features
Universal Voltage Support – Operates across a wide 12V–72V range, compatible with both brushed and brushless motors.
3-Gear & 10-Speed Adjustable – Offers precise throttle control via a rotary speed limiter knob with easy 3-gear selection.
Wide Vehicle Fitment – Compatible with ATVs, e-bikes, UTVs, drift trikes, scooters, electric wheelchairs, and more.
Easy Installation – 6-wire setup with standard connectors for quick plug-and-play setup on most handlebar systems.
Durable Construction – Built with heat-resistant plastic and corrosion-proof internal metal components for long-term use.

Compatibility
This speed limiter twist knob is suitable for a broad range of 12V–72V electric vehicles including:
Electric scooters
Electric ATVs and UTVs
Electric drift trikes
Mobility scooters and wheelchairs
Electric go-karts
Golf carts, e-bikes, and electric mopeds
Tricycles and 4-wheelers
Fits both brush and brushless DC motors.

Package Includes
1x 12V–72V Motorcycle Speed Limit Knob
1x 6-wire harness with dual connectors
1x Instruction sheet