Rock Shox: A true trail machine we couldn’t wait to have on our bikes and get to you. Featuring an updated DebonAir™ air spring paired with our Charger™ 2.1 damper for unmatched trail control for every sweeping corner or loamy drop in. Ultra-low friction SKF wiper seals and Maxima Plush damping fluid all work overtime to reduce friction, silence noise, and provide lasting fork performance.FEATURESUpdated highly tunable DebonAir™ air spring offers a buttery smooth feel off the top and maintains a higher ride height for increased confidence in steep terrainDesigned to reduce hand fatigue and fight unwanted friction, the Charger™ 2.1 damper increases confidence and control over every trailCharger™ 2.1 RC2 damper option featuring independent high and low speed compression adjustCharger™ 2.1 RCT3 damper option featuring 3-position compression adjust (open/pedal/firm) with low speed compression adjustUltra-low friction SKF wiper seals provide long lasting fork performance and improve overall suspension feelMaxima Plush damping fluid reduces friction and silences damper noiseGloss Silver Signature colorway and Ultimate High Gloss BlackUltimate foil graphics package SPECIFICATIONSModel designator (SF): UltimateWheel size: 29Travel (mm): 130mm, 140mm, 150mmDamper Type: Charger 2.1 RC2Fork offset: 51mm (29)Maxle included: Maxle StealthColor (FS): Gloss BlackE-MTB Decal: NoSteerer: 1.5 TaperedAxle: 15x110mm BOOST™Axle to Crown (mm): 541, 551, 561Brake type (FD): DiscCrown Material: Forged, hollow aluminumUpper crown type: n/aLower leg material: MagnesiumUpper Tube Finish: Fast BlackUpper tube type: 35mm tapered wall aluminumDamper adjust: CrownDamping adjustments: Extl begin stroke rebnd, low speed comp, high speed compVolume reducer: 1/4 TokensSpring: DebonAirSpring rate: n/aMax Tire Diameter (mm): 770Max Tire Width (mm): 81Maximum Rotor Size: 220mmMinimum Rotor Size: 180mmFender Compatibility: n/aCrown OD (mm): 58Part Weight (g): 1790