Thunderwing flies over snow and sand in extreme conditions. This original design, conceived and developed for the ultra endurance races of Alaska, will take you where a normal bike can't go, from the beach to the tundra. Custom drawn triple butted Reynolds 853 steel tube set. Mega tire clearance for ultra wide tires. Full housing on seat stay to keep ice off. Proprietary cable routing keeps housing from kinking. Three bottle mounts for water and fuel. Custom disc-specific front and rear racks. All tubes sealed to keep out water, seat tube drain hole. 304 stainless steel bottle opener welded on frame. Also available in custom double butted 3/2.5 Titanium. The Thunderwing is a custom build. Please call to discuss your specs.