             {
                 // default PPI160
                 trackWidth = 160;
-                trackHeight = 40;
+                trackHeight = 9;
+                
+                visibleTrackWidth = 140;
+                visibleTrackLeftOffset = 10;
                 
                 trackClass = spark.skins.mobile160.assets.HSliderTrack;
-                
-                visibleTrackRectLeft = 5;
-                visibleTrackRectRight = 5;
-                visibleTrackRectTop = 16;
-                visibleTrackRectHeight = 9;
-                visibleTrackEllipseHeight = 9;
-                visibleTrackEllipseWidth = 9;
                 
                 break;
             }

     *  @private 
     */ 
    override protected function drawChromeColor(chromeColorGraphics:Graphics, unscaledWidth:Number, unscaledHeight:Number):void
    {
        // calculate the track Y location: the visible track is vertically centered as height grows
        var trackY:int = Math.max(visibleTrackRectTop, Math.round(visibleTrackRectTop / trackHeight * unscaledHeight));
        
        // calculated track width: excludes gaps on the left and right
        var trackWidth:int = unscaledWidth - visibleTrackRectLeft - visibleTrackRectRight; 
        
        // draw the round rect
        var chromeColor:uint = getChromeColor();
        chromeColorGraphics.beginFill(chromeColor, 1);
        chromeColorGraphics.drawRoundRect(visibleTrackRectLeft, trackY,
                                          trackWidth, visibleTrackRectHeight,
                                          visibleTrackEllipseWidth, visibleTrackEllipseHeight);
        chromeColorGraphics.endFill();
    }
}

     *  @productversion Flex 4.5
     */
    protected var trackHeight:int;

    /**
     *  Specifies the offset from the left edge to where
     *  the visible track begins
     *
     *  @langversion 3.0
     *  @playerversion Flash 10
     *  @playerversion AIR 2.5
     *  @productversion Flex 4.5
     */
    protected var visibleTrackLeftOffset:int;
    
    /**
     *  Specifies the width of the actual visible track
     *
     *  @langversion 3.0
     *  @playerversion Flash 10
     *  @playerversion AIR 2.5
     *  @productversion Flex 4.5
     */
    protected var visibleTrackWidth:int;

    //--------------------------------------------------------------------------
    //
    //  Overridden methods
