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SKU: 22

Full Twist Throttle for E-Bike Conversion Kits

Name: Full Twist Throttle for E-Bike Conversion Kits
Brand: All4ebikes
SKU: 22
Price: 137.95 RON
Availability: InStock

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Description

Full Twist Throttle for Electric Bikes – Hall Sensor 0.8V–4.2V for eBike Conversion Kits

Full twist throttle with contactless Hall sensor, proportional signal 0.84V (idle) — 4.2V (full), 5V supply from controller, standard 3-wire connector. Included in All4eBikes MTX conversion kits and available as a spare part or upgrade. Anti-slip rubber grip, 30–60 degree rotation, compatible with all UART controllers 17A–60A in our range.

Hall Sensor 0.84V–4.2V 3-Wire 5V Supply Full Twist UART Compatible

The full twist throttle works by rotating the entire grip — similar to a motorcycle throttle, but using contactless electronic technology instead of a mechanical cable. Inside, a permanent magnet moves relative to the fixed Hall sensor as you twist your wrist. The sensor generates a DC signal proportional to the angle of rotation: 0.84V at idle, 4.2V at full twist. The controller interprets this voltage in real time and adjusts current to the motor in milliseconds.

Full Twist Throttle Technical Specifications

Electrical Parameters

Sensor typeHall (contactless)

Supply voltage5V DC (from controller)

Signal at idle~0.84V

Signal at full twist~4.2V

Number of wires3 (GND / VCC / SIG)

Connector3-pin standard

Voltage compatibility36V / 48V / 52V / 72V

Protection ratingIP54

Mechanical Parameters

Actuation typeFull Twist (full rotation)

Rotation angle30–60 degrees

Grip materialAnti-slip rubber

Handlebar diameter22.2mm standard

Battery indicatorYes (3-level LED)

Return to zeroSpring (auto-reset)

Compatibility

Controller protocolUART / KT standard

Controller 17A–60ACompatible

Kit 250W–3000W MTXIncluded / Compatible

SW900 displayCompatible

22.2mm handlebarCompatible

Contactless Hall sensor — why it outlasts mechanical throttles

Unlike potentiometer throttles (variable resistors) that wear through physical contact, the Hall sensor has no parts in direct contact. The magnet and sensor never touch — the interaction is purely magnetic. The result is a practically unlimited service life for the detection mechanism, regardless of how many times you twist the throttle. The only wear point is the return spring, which can be replaced independently.

Proportional signal — precise power control

The 0.84V–4.2V signal is perfectly proportional to the rotation angle: a small twist produces a small signal, a full twist produces the maximum signal. The controller interprets this voltage and adjusts current to the motor in real time. There are no steps or fixed positions — power increases smoothly from zero to maximum, similar to a car accelerator.

Integrated battery indicator

The throttle includes a 3-level LED battery indicator that shows approximate battery state directly on the handlebar, without needing to look at the SW900 display. Particularly useful at start-up to quickly check charge level before setting off.

Full twist vs Thumb throttle: a full twist throttle provides more control at higher speeds and is preferred by riders with motorcycle experience. A thumb throttle gives more precise control in urban stop-and-go traffic and reduces the risk of accidental acceleration on impacts. Both types are electrically identical and interchangeable on any All4eBikes controller.

What It's Recommended For

Failed Throttle Replacement

A direct replacement for the throttle in any All4eBikes MTX conversion kit 250W–3000W — same Hall signal 0.84V–4.2V, 3-pin connector.

Upgrade from Thumb to Full Twist

Upgrade for riders who prefer motorcycle-style control — more intuitive at higher speeds and for continuous riding over long distances.

High-Power DIY Builds

Ideal for 1000W–3000W kits from the eBike parts range where precise control of high power is essential.

Installation and Troubleshooting

Installation Steps

Remove the existing grip from the right side of the handlebar
Slide the throttle onto the handlebar — standard 22.2mm diameter
Tighten the mounting clamp
Connect the 3-pin cable to the throttle port on the controller
Test the signal with a multimeter before first use: ~0.84V at idle, ~4.2V at full twist

Troubleshooting

Motor does not respond to throttle — check wire order (GND black / VCC red / SIG green)
Motor starts on its own at idle — idle signal exceeds 1V, throttle is faulty
Insufficient maximum power — check that full-twist signal reaches at least 3.6V
Erratic signal — loose connector or broken wire; check continuity with multimeter
Error code E05 on SW900 display — internal Hall sensor is faulty, replace the throttle

Frequently Asked Questions About the Full Twist Throttle

What is the difference between a full twist and a thumb throttle?

A full twist throttle is operated by rotating the entire grip, similar to a motorcycle throttle — it provides more control at higher speeds and is preferred for continuous riding over long distances. A thumb throttle is operated with the thumb — it allows more precise dosing in urban stop-and-go traffic and reduces the risk of accidental acceleration on impacts or if you drop the bike. Both types output the same electrical signal and are interchangeable on any UART controller.

How do I check if my throttle is working correctly?

Connect a multimeter in DC voltage mode: black probe on GND (black wire), red probe on SIG (green/white wire). At idle you should read ~0.84V. At full twist you should read ~4.2V. If the voltage does not change, stays stuck or jumps straight to maximum, the internal Hall sensor is faulty.

Is it compatible with all All4eBikes controllers?

Yes — all All4eBikes controllers (17A–60A) accept a Hall signal of 0.84V–4.2V on the throttle input. Connectors are standard 3-pin. If replacing the throttle on an existing kit, just check the wire colour order at the controller connector to maintain correct polarity.

What does error code E05 on the SW900 display mean?

E05 indicates an invalid throttle signal — usually below 0.4V (open circuit) or above 4.2V (short circuit). Common cause: faulty Hall sensor inside the throttle or a broken wire. Test with a multimeter and replace the throttle if the signal is absent or stuck.