Make pedal attachment circle slightly bigger.

Bicycle.js

@@ -98,7 +98,7 @@ class Bicycle
 		
 		// Pedal attachment circle
 		context.beginPath();
-		context.ellipse(0, 0, this.gearWheelSize * 0.2, this.gearWheelSize * 0.2, 0, 0, Math.PI * 2, false);
+		context.ellipse(0, 0, this.gearWheelSize * 0.3, this.gearWheelSize * 0.3, 0, 0, Math.PI * 2, false);
 		context.lineWidth = 2;
 		context.strokeStyle = this.wheelLeft.spokeColour;
 		context.stroke();