PAS Sensor x 1. Fit for: left side. Weight: 0.02kg.
eBay
WiFi Water Sensor Tuya Leak Sensor Water Overflow Level Detector 80dB Sound Alarm System Flood Leakage Sensor Remote Monitor
Aliexpress UK
Type: Pulse assist sensor. Colour: As shown. 2 × Assist Sensor. -Compatible with most electric bicycles. -Features a 90 cm cable length for flexible installation. Cable Length: Approx. 90 cm / 35.43 in.
eBay
Zigbee 3.0 Devices PIR Motion Sensor/Temperature Humidity Sensor/Smart Button Scene Switch/Water Leak Detector/Door Sensor/ Hub
Aliexpress UK
1 x Pulse assist sensor. Extend the battery life and improve the vehicle's range. Let you save more effort ，ease and power when riding. Suitable for most electric bikes. Made of materials for durability and long life.
eBay
Infrared Body Sensor Switch PIR Sensor Detector Switch 110V 220V Motion Sensor Switch For Home Ceiling Lamp LED Lighting
Aliexpress UK
Type: Pulse assist sensor. Colour: As shown. 2 × Assist Sensor. -Compatible with most electric bicycles. -Features a 90 cm cable length for flexible installation. Cable Length: Approx. 90 cm / 35.43 in.
eBay
PIR Motion Sensor 220V 110V 12V Automatic Infrared Light Sensor Movement Detector Outdoor LED Light Switch Human Presence Sensor
Aliexpress UK
The cable that routes through the frame. It does from the battery to the rear hanger and measure the rotation of the rear wheel.
eBay
Tuya Zigbee Door Sensor Window Sensor Contact Sensor For Smart Home Smart Life APP Remote Control Compatible with Alexa
Aliexpress UK
1 x Bike Pedal Assist Sensor. It is suitable for use in electric bicycles. Applicable to almost all electric bicycles on the market, it is a good helper for electric bicycles. Line length: approx. 1m / 3.3ft.
eBay
10G Human Motion Sensor For Z2M /Tuya Zigbee MmWave Radar Detector with Luminance Temperature Humidity Sensor Replace PIR Sensor
Aliexpress UK
Let you save more effort ，ease and power when riding. Extend the battery life and improve the vehicle's range. Suitable for most electric bikes. 1 x Pulse assist sensor. Size: Line Length About 110 cm.
eBay
Level Sensor Liquid Level Sensor Stainless Steel Liquid Water Level Sensor Switch for Pool Can 75mm
Aliexpress UK
Electric Bicycle bz-10c 10 Magnets Pedal Assistant Sensor SM Interface. Applicable to: electric bicycle. Power-assisted sensor has many characteristics: multi-standard, high for precision, water resistance, high reliability.
eBay
Tuya 10G 4 in 1 Human Motion Sensor Zigbee MmWave Radar Detector with Luminance Temperature Humidity Sensor Replace PIR Sensor
Aliexpress UK