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Electrical Parts

12-Magnet Dual Hall PAS Sensor

Pedal Assist Sensor for e-bikes. Detects pedal cadence and direction so the motor assists smoothly as you pedal. 15.2mm bore, 8mm thickness.

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Overview

Smooth pedal assist

The PAS sensor mounts on the bottom bracket and reads the magnet ring as you pedal. The dual-Hall design detects both speed and direction, giving the controller a clean signal for smooth assist. A 12-magnet ring provides finer resolution than cheaper 5-magnet units.

ParameterValue
TypePedal Assist Sensor (PAS)
Magnets12 magnets
Hall elementsDual Hall (speed + direction)
Bore diameter15.2 mm
Thickness8 mm
Lengthapprox. 51.2 mm
Widthapprox. 44 mm
HousingPC / ABS
CableWith connector
ApplicationE-bikes, mountain e-bikes, cargo e-bikes
Key Features

12 magnets

Finer cadence resolution for smoother assist than 5-magnet sensors.

Dual Hall

Detects both pedal speed and direction for accurate control.

15.2mm bore

Fits standard bottom brackets on most e-bikes.

Compact 8mm

Thin profile fits tight frame gaps.

PC/ABS housing

Durable, weather-resistant construction.

Ready to install

Comes with cable and connector.

Need a different PAS type?

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