A striking balance of light weight and exceptional downhill performance, the new SID finds a new level of confidence and defines what modern XC race bikes are capable of. The new SID Ultimate is built with more travel, an all-new stiff 35mm chassis that features our lightest damper to date, the new Charger Race Day. This race-ready package also includes the redesigned DebonAir air spring, tuned specifically for the demands of XC riders. Our friends at SKF and Maxima Plush Fluids come along for the ride, providing long lasting fork performance and improved overall suspension feel. Lighter and more capable than ever before, SID will get you to the finish line faster.Key Features:New 35mm chassis is the perfect blend of light weight and stiffness for the modern XC bike,New Charger Race Day Damper - our lightest production damper with rock-solid lockout,New DebonAir™ air spring is tuned specific to meet the demands of XC and maintains a higher ride height for increased confidence and control,New Ultra-low friction SKF wiper seals provide long lasting fork performance and improve overall suspension feel,Maxima Plush damping fluid reduces friction and silences damper noise,29\" wheel only,120mm max travel,Machined/anodized crown,2-bolt mounts to fit a short fender (RockShox fender sold separately),Signature SID Blue colorway and Ultimate High Gloss Black,Ultimate foil graphics package.Specifications:Model designator (SF): Ultimate,Wheel size: 29\",Travel (mm): 120mm,Damper Type: Charger Race Day,Fork offset: 44mm (29\"),Maxle included: Maxle Stealth,Colour (FS): SID Blue / Gloss Black,E-MTB Decal: No,Steerer: 1.5\" Tapered,Axle: 15x110mm BOOST™,Axle to Crown (mm): 531,Brake type (FD): Disc,Crown Material: Forged, hollow aluminum,Upper crown type: n/a,Lower leg material: Magnesium,Upper Tube Finish: Fast Black,Upper tube type: 35mm tapered wall aluminum,Damper adjust: Remote (included),Damping adjustments: Extl rebnd, 2 pos remote comp (open/lock),Volume reducer: 0/3 Tokens,Spring: DebonAir,Spring rate: n/a,Max Tire Diameter (mm): 758,Max Tire Width (mm): 66,Maximum Rotor Size: 220mm,Minimum Rotor Size: 180mm,Fender Compatibility: Short, 2 point mount,Crown OD (mm): 58.