RockShox SID SL Ultimate Race Day 29in Boost Fork 100mm
RockShox machined away every gram possible to create the ultralight, race-ready SID SL Ultimate Race Day 29in OneLoc Boost Fork. Built around 29-inch wheels, the short 44mm offset gives us unmatched handling as we crush through technical sections of rocks and roots. 32mm stanchions are paired with 100mm of travel and an XC-tuned DebonAir air spring to handle the suspension demands of modern XC racing.
Choosing SID SL Ultimate means the lightest, fastest XC fork in the world, full stop. Chiseled down to every last meaningful gram, SID SL Ultimate features the new Charger Race Day 2 damper. Light. Speed. Performance. Podium.
The lightest 32mm chassis yet. World Cup-proven performance, ready for your podium debut
Charger Race Day 2 Damper — Every detail perfected, every extra ounce shaved away; this is the lightest performance driven damper yet
DebonAir air spring is tuned specific to meet the demands of XC and maintains a higher ride height for increased confidence and control
Maxima Plush Dynamic Suspension Lube reduces friction, lasts longer, and enhances suspension performance ride after ride
Machined crown for lighter weight and greater strength
3P damper features three compression positions: Open, Pedal, or a rock-solid Lock
Wheel Size: 29"
Positive Spring: Air
Brake Type: Post Mount 160
Crown Race: 40
External Adjustments: Lockout Threshold , Rebound Damping
Negative Spring: Air
Stanchion Diameter: 32
Front Axle: 15mm Thru x 110mm
Steerer Type: Tapered
Maximum Tire Width: 60
Offset: 44
Steerer Tube Length (mm): 230
Color: Blue Crush
S.H.I.S. Stem Clamp Diameter: 28.6
Travel (mm): 100
Axle to Crown Length: 506
Lockout Switch: Crown
Defined Color: Blue
