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No.9 FAT 15mm 150 Fork

Our No.9 FAT 15mm 150 has been the choice of many a frame builder, fat bike racer, and ultra-endurance athlete looking to lighten their fat bikes up and dial in their front end. With a massive 5.05” tire clearance, it can add additional float and traction to almost any fat bike on the market.

Steerer Type 1 ½” Tapered
Steerer Length 300 mm
Fork Length 483 mm
Material Carbon
Rake 51 mm
Crown Race 40 mm
Axle Type 15 mm Thru x 150 mm
ASTM Rating Condition 3
Brake Type Post Mount Disc
Max Rotor 185 mm
Fender Mounts No
Max Tire 26" x 5.05" / 27.5" x 4.6"
Weight 804 g
Suggested Max Rider Weight + Gear 250 lbs
Part Number FK9912

  • WARNING: Handling this product will expose you to chemicals, including lead, known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling. For further information, go to