High-strength 'rare earth' magnet

via Adafruit
$5.63
SKU AF-9

We have 4 units in our Sydney Warehouse available for immediate dispatch.

Yow! These things are super powerful. 1/2" diameter, 3/16" thick discs, south side is marked with a red line. Great for use with your SpokePOV Kit. If you have an aluminium frame, use tape/foamstickytape to attach it.