SID Select uses the Charger RL damper, proven ready for a new generation of more capable XC bikes.Features-35mm chassis is the perfect blend of light weight and stiffness for the modern XC bike-DebonAir air spring is tuned specific to meet the demands of XC and maintains a higher ride height for increased confidence and control-Ultra-low friction SKF wiper seals provide long lasting fork performance and improve overall suspension feel-Proven Charger RL damper provides smooth performance and a rock-solid lockout-Maxima Plush damping fluid reduces friction and silences damper noise-2-bolt mounts to fit a short fender (RockShox fender sold separately)-Diffusion Black-Remote AdjustItem Specifications-Steerer Tube Length (mm):230 mm-Front Axle:15mm Thru x 110mm-Maximum Tire Width:66 mm-Brake Type:Post Mount 180-Offset:44 mm-Stanchion Diameter:35 mm-Color:Diffusion Black-Travel (mm):120 mm-Defined Color:Black-Negative Spring:Air-External Adjustments:Rebound Damping-Steerer Type:Tapered-External Adjustments:Lockout Threshold-Positive Spring:Air-S.H.I.S. Stem Clamp Diameter:28.6-Wheel Size:29"-Lockout Switch:Handlebar - Cable-Axle to Crown Length:531 mm-Crown Race:40