Engineered for fat bike riders who demand top-tier performance, the Manitou Mastodon Pro EXT is lighter, more adjustable, and built to handle extreme conditions. With 106g of weight savings from the previous model, a redesigned crown, legs, and internals, and Dorado™ Air technology, this fork delivers a consistent, responsive feel across all travel settings.
 
Key Features:
✅ Optimized Weight Savings – 106g lighter than the previous model for improved efficiency
✅ Internally Adjustable Travel – 80mm to 160mm (in 10mm increments) with no added parts
✅ Dorado™ Air System – Balancing valve ensures consistent feel across all rider weights
✅ Max Tire Clearance – Fits all fat bike tires on the market (26x5.05" / 27.5x4.5")
✅ Stronger & More Compact – 6mm reduction in axle-to-crown length for improved handling
 
Specifications:
Wheel Size: 26" / 27.5" Fat
Travel: 120mm (internally adjustable from 80-160mm)
Spring: Dorado Air w/ IVA
Offset: 44mm
Axle: 15x150mm Hexlock SL
Axle-To-Crown:
80mm travel - 504mm
100mm travel - 524mm
120mm travel - 544mm
140mm travel - 564mm
160mm travel - 584mm
Weight: 2104g
Compression: VTT-6p
Rebound Damping: Half Cartridge Adjustable TPC
Adjustments: Air, Air Volume, Rebound, Compression
Steerer: 1.5" Tapered
Crown: Forged Aluminum, Hollow Bore
Leg Diameter: 34mm
Leg Material: 7000-Series Butted Wall Aluminum
Brake Post Mount: 180mm (203mm Max)
E-pac Compatible: Yes
 
📦 Custom-Tuned Before Shipping – Include your weight and desired travel in the ‘order notes,’ and our team will adjust it to your preferences before it ships.
 
The Manitou Mastodon Pro EXT is designed to elevate your fat bike riding experience—whether you're crushing trails, tackling deep snow, or floating over sand. 🚲🔥
Got questions? Send us a message—we’re happy to help!