<div id="gauge" style="width: 100px; height: 100px;"></div>
<script>
    $("#gauge").kendoRadialGauge({
        pointer: {
            value: 50
        },
        scale: {
            min: 0,
            max: 100
        }
    });

    $("#gauge")
    .css({ width: "200px", height: "200px" })
    .data("kendoRadialGauge").resize();
</script>