Climb mountains. Charge descents. The RockShox SID Ultimate isnt like other XC forks. It is lighter than ever with a formidable 35mm chassis that holds the line when youre on the edge. The Race Day 2 damper provides efficient Pedal positions all at your fingertips. SID Ultimate adapts to everything from full-gas cross-country to sporty backcountry loops thanks to a new higher-volume DebonAir+ spring thats supple at the top of its travel with tons of tunability.

Steerer Type Tapered Color Gloss Black Lockout Switch Crown Brake Type Post Mount 180 Crown Race 40 Negative Spring Air Travel (mm) 120 Wheel Size 29″ Offset 44 External Adjustments Rebound Damping Defined Color Black 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