1 1/4" Threaded Evolution OS 26" Mountain Bike Fork * 170 mm Steerer Tube Length * 35 mm Steerer Tube Thread Length * 33 mm Crown Race Diameter * 43 MM Rake * 400 mm Axle to Crown * Removed from 1991 HEAD 810 Bicycle * 1025 Grams * Free Shipping in the Contiguous States