Add bike migration

db/migrate/20121204221242_create_bike.rb

@@ -0,0 +1,18 @@
+class CreateBike < ActiveRecord::Migration
+  def change
+    create_table :bikes do |t|
+      t.string "serial_number"
+      t.integer  "bike_brand_id"
+      t.integer  "bike_model_id"
+      t.string   "color"
+      t.integer  "bike_style_id"
+      t.float    "seat_tube_height"
+      t.float    "top_tube_length"
+      t.integer  "wheel_size"
+      t.float    "value"
+      t.string   "bike_condition_id"
+      t.integer  "bike_status_id"
+      t.timestamps
+    end
+  end
+end