The lighter-than-ever SID Ultimate is crafted around a rigid 35mm chassis and equipped with the lightest performance damper ever made. Ready to take you straight to the podium, SID Ultimate comes equipped with the completely redesigned and easily adjustable Charger Race Day 2 damper.Features-2P damper features two-position compression adjustment: Open or a rock-solid Lock-Compatible with TwistLoc/OneLoc (10mm Cable Pull– sold separately)-35mm chassis is the perfect­ blend of light weight and rigidity for the modern XC bike-Charger Race Day 2 damper is the lightest damper on the market-DebonAir+ provides more small-bump sensitivity and tunable mid-stroke support-Bushing package maximizes bushing overlap for a smooth, solid ride-Maxima Plush Dynamic Suspension Lube reduces friction, lasts longer, and enhances suspension performance ride after ride-Machined crown for lighter weight and greater strengthItem Specifications-Steerer Type:Tapered-Color:Blue Crush-Lockout Switch:Handlebar - Cable-Brake Type:Post Mount 180-Crown Race:40-Negative Spring:Air-Travel (mm):120-Wheel Size:29"-Offset:44-External Adjustments:Lockout Threshold-External Adjustments:Rebound Damping-Defined Color:Blue-Positive Spring:Air-Axle to Crown Length:531-Front Axle:15mm Thru x 110mm-Stanchion Diameter:35-Maximum Tire Width:66-S.H.I.S. Stem Clamp Diameter:28.6-Steerer Tube Length (mm):230