uxcell 2 Pcs 2W 8 Ohm Rectangle Magnet Notebook Speaker Amplifier 40mm x 20mm industrial [7 Levels Adjustable Sensitivity and

[7 Levels Adjustable Sensitivity and SOS Emergency Alarm ]The 7 levels of sensitivity adjustable from gently touch to push or beat

please check whether have some stones or sharp things that may break the tube that stay in your tire 3

1/4" NPT Male x 1/4" NPT Female

and more Guaranteed a tight fit

uxcell 2 Pcs 2W 8 Ohm Rectangle Magnet Notebook Speaker Amplifier 40mm x 20mm industrial [7 Levels Adjustable Sensitivity anduxcell 2 Pcs 2W 8 Ohm Rectangle Magnet Notebook Speaker Amplifier 40mm x 20mm This internal magnet speaker is designed with aluminum shell. Application: notebook, displayer, LCD ad player, digital photo frame, the electronic gifts, radio, interphone, machine learning, telephone, electronic dictionary, etc. Product Features Product Name : Magnet Speaker; Power : 2W; Resistance : 8 Ohm Shape : Rectangle; Magnet Diameter : 15mm 0. 6" Hole Dia : 2mm 0.