A cold night loop on the fat bikes

http://www.strava.com/activities/537015679?fb_action_ids=10206421522077586&fb_action_types=fitness.bikes&fb_source=other_multiline&action_object_map=%5B1179081595438112%5D&action_type_map=%5B%22fitness.bikes%22%5D&action_ref_map=%5B%5D