diff --git a/wheels.asy b/wheels.asy
index e7c574b..04e5053 100644
--- a/wheels.asy
+++ b/wheels.asy
@@ -5,7 +5,7 @@ import "scaling.asy" as scaling;
 
 //path bread = (x,0){right}..{up}(width, height-y){up}..{left}(width-x, height){left}..{down}(0,y){down}..{right}cycle;
 
-real outer_radius = height/2;
+real outer_radius = height*0.42;
 real inner_radius = outer_radius*4/5;
 real center_radius = outer_radius/5;
 real axle_radius = center_radius/2;