26/27.5/29" Air Suspension Fork MTB 180mm Travel, Rebound Adjust Manual Lockout, Double Crown Mountain Bike 34mm Stanchion 1-1/8" Threadless Straight Tube 9 * 100mm QR XC AM Bicycle Front Fork

Specifications: 28.6 mm Threadless Straight Steerer, Crown Race: 30 mm; Crown Lockout, Rebound Adjust; Travel: 180 mm; QR: 9 mm *100 mm, Brake type: disc brakes, Tube Diameter: 34 mm; Max 2.8 Tire,Weight:about 2680g While the 180mm travel and 9mm QR adapt to diverse terrains, 34mm aluminum-magnesium alloy upper tubes enhance rigidity and steering precision. The crown lockout with rebound adjust fine-tunes control Its compression damping trail conditions automatically optimizes performance for rider weights (50-120kg). An external rebound knob with 21 precise clicks allows for fine-tuned, personalized cushioning This advanced system delivers plush control with 30% better small-bump sensitivity than the previous 32mm model. Effortlessly adjust the crown dial between a firm mode for climbs and an ABS anti-bottoming for aggressive descents. Features a 30mm crown race and 28.6mm threadless steerer tube. The fork is compatible with 26", 27.5", and 29" wheels, and supports both 180mm direct mount and 203mm rotor disc brake systems