Manitou Mastodon Comp Fat Bike Suspension Fork, 100mm Travel, 15 x 150 mm Axle, Tapered, Standard, up to 4" - 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 FahrenheitClearance for 26" or 27.5" fat bike tiresE-MTB Certified