Manitou Mastodon Pro Suspension Fork - 26" 100 mm 15 x 150 mm 44 mm Offset Matte BLK Standard Gen 3Manitou Mastodon Pro Suspension Fork 26" 100 mm 15 x 150 mm 51 mm Offset Matte Black Standard Gen 3. The Mastodon is a true all mountain fatbike fork with stiff 34mm stanchions and newly designed internals that will excel during cold weather riding conditions. All weather performance down to 0 degrees Fahrenheit E MTB Certified Clearance for 26" or 27. 5" fat bike tires TECH SPECS Steerer Type Tapered Color Matte Black Lockout Switch Crown Brake Type