Forward url on add bike/ don't display value if nil

app/assets/javascripts/bikes.js

@@ -20,7 +20,7 @@ $("#add_bike_submit").click(function(){
     data: json_data,
     dataType: "json",
     success: function(data, status, xhr){
-      //window.location = "";
+      window.location = "/bikes/"+ data.bike.id;
     },
     error: function(data, status ){
       displayFormErrors(data.responseJSON);

app/views/bikes/show.html.haml

@@ -12,6 +12,7 @@
   %dd #{@bike.seat_tube_height}
   %dt Purpose
   %dd #{@bike.bike_purpose}
+  - if !@bike.value.nil?
     %dt Value
     %dd #{@bike.value}
   - if !@bike.color.nil?