Mastodon Forks

Mastodon

Real-world trail suspension for your fatbike! All-temperature performance soaks up chatter and big hits on freezing cold snow as well as it does on shimmering hot sand, and everywhere in-between.

  • -Extended ride height versions fit up to 26×5.15” / 27.5×4.5” tires
  • -Standard ride height versions fit up to 26×4” / 27.5×3.8” tires
  • -All-temperature performance born of frigid winter ride-testing
  • -34mm trail chassis is stiffer and steers more precisely than any other fatbike suspension fork
  • -E-MTB Certified

Owner’s Manuals/Service Guides

  • Pro
  • Comp
Weight Lb / grams 2210g
Travel 100mm (adjustable down to 80mm), 120mm (adjustable up to 140mm), 150mm (OEM Only)
Spring Dorado Air
Steerer 1.5" Taper Aluminum
Crown Forged Aluminum Hollow Crown
Crown Finish Shot Peen Black
Offset 51mm (Standard and Extended)
Compression Damping MC2
Rebound Damping Adjustable Cartridge TPC
Leg Diameter 34mm
Leg Material 7050 Series Aluminum
Wheel Size 26", 27.5"
Brake 180mm Post Mount
Axle Hexlock SL 15mm x 150mm
Crown to Axle 511 (100mm Travel) 531 (120mm Travel) (Standard) 531 (100mm Travel) 551 ( 120mm Travel) (Extended)
Colors Black
Weight Lb / grams 2430g
Travel 100mm (adjustable down to 80mm), 120mm (adjustable up to 140mm)
Spring Expert Air
Steerer 1.5" Taper Aluminum
Crown Finish Shot Peen Black
Offset 51mm (Standard and Extended)
Compression Damping Absolute+
Rebound Damping Adjustable Cartridge TPC
Leg Diameter 34mm
Leg Material 6061 Series Aluminum
Wheel Size 26", 27.5"
Axle Hexlock SL 15mm x 150mm
Crown to Axle 511 (100mm Travel) 531 (120mm Travel) (Standard) 531 (100mm Travel) 551 ( 120mm Travel) (Extended)
Colors Black