diff --git a/src/components/range/range.ts b/src/components/range/range.ts
index 05adb07b6f..b5e5674579 100644
--- a/src/components/range/range.ts
+++ b/src/components/range/range.ts
@@ -20,6 +20,8 @@ const RANGE_VALUE_ACCESSOR = new Provider(
     '<div class="range-knob"></div>',
   host: {
     '[class.range-knob-pressed]': 'pressed',
+    '[class.range-knob-min]': '_val===range.min',
+    '[class.range-knob-max]': '_val===range.max',
     '[style.left]': '_x',
     '[style.top]': '_y',
     '[style.transform]': '_trns',