uxcell 50pcs 3mm 940nm Infrared Receiver Diode DC 1.2V LED IR Receiver Light Emitting Diodes Black Round Head electronics_new_releases_Aug2023 9/16 inch spindle suitable for

9/16 inch spindle suitable for most mountain bike

let children become a scientist

Delivers a true center rotation and exceptional brush balance

round and smooth

uxcell 50pcs 3mm 940nm Infrared Receiver Diode DC 1.2V LED IR Receiver Light Emitting Diodes Black Round Head electronics_new_releases_Aug2023 9/16 inch spindle suitable foruxcell 50pcs 3mm 940nm Infrared Receiver Diode DC 1. 2V LED IR Receiver Light Emitting Diodes Black Round Head Description: Low heat, energy saving, low power consumption, long service life. NOTE: IR Reciever ONLY, IR Emitter is NOT included. Specification: Wavelength: 940nm Voltage: DC 1. 2 1. 3V Emission Distance: 7 Meters 23Ft Head Size: 3. 8 x 5. 3mm 0. 15 x 0. 21 inch ( Max. DH) Total Length: 34mm 1. 34 inch Polarity: Anode (Longer Part) Cathode