scale.minorTicks.sizeNumber
The minor tick size. This is the length of the line in pixels that is drawn to indicate the tick on the scale.
Example
<div id="gauge"></div>
<script>
$("#gauge").kendoRadialGauge({
pointer: [{
value: 25
}],
scale: {
minorTicks: {
size: 8
}
}
});
</script>