Climb mountains. Charge descents. SID Ultimate isn't like other XC forks. It is lighter than ever with a formidable 35mm chassis that holds the line when you're on the edge. The new Race Day 2 damper offers reliably rock-solid Lock and plush Open compression positions. With more positive and negative air volume, SID's latest DebonAir+ spring delivers sensationally smooth action at the top of the travel and full tunability for any rider or race.Features:- New 35mm chassis is the perfect¬ blend of light weight and rigidity for the modern XC bike. Plus, we made it lighter…again.- New Charger Race Day 2 damper is the lightest damper on the market. This 2P damper features two-position compression adjustment: Open or a Rock-solid Lock.- New DebonAir+ provides more small-bump sensitivity and tunable mid-stroke support.- New Bushing package maximizes bushing overlap for a smooth, solid ride.- New Maxima Plush Dynamic Suspension Lube reduces friction, lasts longer, and enhances suspension performance ride after ride.- New Crown machined to shave weight without compromising strength and stiffness.- New Electric Red Signature colorway- New Bolt-in torque cap adapters included for use with standard hub end-caps.Specifications:- Wheel size: 29´´- Travel (mm): 120mm- Damper Type: Charger Race Day 2- Fork offset: 44mm (29´´)- Maxle included: Maxle Stealth- Steerer: 1.5´´ Tapered- Axle: 15x110mm BOOST™- Axle to Crown (mm): 531- Brake type (FD): Disc- Crown Material: Forged, hollow aluminum- Lower leg type: Magnesium- Upper tube type: 35mm tapered wall aluminum- Damper adjust: 2 pos rmt TwistLoc/OneLoc (10mm Cable Pull)- Damping adjustments: Extl rebnd, 2 pos remote comp (open/lock)- Spring: DebonAir+- Max Tire Diameter (mm): 758- Max Tire Width (mm): 66- Maximum Rotor Size: 220mm- Minimum Rotor Size: 180mm- Fender Compatibility: Bolt On - Short (Use AC-FEN-SID-A2)- Crown OD (mm): 58- Max recommended system weight: 331lbs/150kg- Max Air Pressure (PSI): 150- Weight: 1480g