RockShox Recon Gold TK 29" Suspension Fork - Performance Exclusive Forged AL-6061 T6 crown, lightweight alloy steerer, magnesium lowers with Power Bulge reinforcement for greater stiffness and bushing durability 32mm 7000 series aluminum upper tubes are stiff and lightweight 9mm Quick Release dropouts Machined aluminum control knobs with detents for easy adjustability TurnKey Damper with externally adjustable rebound and Lockout