New to the Growler Limited Edition Series. A brilliant combination of speed and durability. The Limited Edition Growler Nitro Stout Irish Ale brings the best option of the Nitro Stout into an affordable workhorse. Upgraded Schwalbe Jumbo Jim 4.4" combined with the all new Manitou Mastodon fork makes this bike a trail slayer in any condition. SRAM GX Eagle 1x12 delivers a 500% gear ratio to conquer even the steepest of slopes and the amazing Manitou Mastodon fork designed for superior riding comfort for the every day trail rider. At 28lbs, this high performance Growler Limited Edition Irish Ale fat bike combines only the best offerings from the Growler Nitro Stout lineup and molds it into an affordable custom light weight carbon fat bike. The Growler Nitro Stout is laid out with a raw carbon look with lime green logos. Limited Edition = Limited Stock.