RockShox SID Ultimate 29 Fork 120mm Remote 3P Boost

RockShox SID Ultimate Remote Fork

29” | 120mm | 3P Damper | DebonAir+ | Gloss Black

The RockShox SID Ultimate Remote is a top-tier XC fork built for riders pushing the limits of speed and efficiency. With a lightweight 35mm chassis, DebonAir+ spring, and Race Day 2 damper, it delivers precise control and responsiveness for everything from race-day efforts to aggressive backcountry rides.

Climb faster. Descend harder.

Race Day 2 3P Damper

• Three compression modes:
  • Open – Maximum traction
  • Pedal – Efficient climbing platform
  • Lock – Firm for sprinting
• Remote-operated for on-the-fly adjustments
• One of the lightest dampers available

DebonAir+ Air Spring

• Increased small bump sensitivity
• Improved mid-stroke support
• Tunable performance for varying terrain

Lightweight 35mm Chassis

• Ideal balance of stiffness and low weight
• Built for modern XC and downcountry bikes
• Holds precise lines under aggressive riding

Premium Suspension Performance

• Maxima Plush Dynamic Suspension Lube reduces friction
• Optimized bushing overlap for smooth operation
• Lightweight crown design for strength and weight savings

Modern XC Compatibility

• 29” wheel size
• 120mm travel for versatility
• 15x110mm Boost spacing
• 44mm offset

Brake & Tire Clearance

• Post Mount 180 brake standard
• Max tire width: 66mm
• Compatible with modern XC tire sizes

Remote Lockout Ready

• Compatible with 3-position remote (7mm + 7mm pull)
• Clean cockpit integration
• ⚠️ Remote sold separately

Specifications

• Brand: RockShox
• Model: SID Ultimate Remote
• Wheel Size: 29”
• Travel: 120mm
• Spring: DebonAir+
• Damper: Charger Race Day 2 (3P)
• Stanchions: 35mm
• Steerer: Tapered (28.6 / 40mm)
• Steerer Length: 230mm
• Offset: 44mm
• Axle: 15x110mm Boost
• Brake Mount: Post Mount 180
• Max Tire Width: 66mm
• Axle-to-Crown: 531mm
• Color: Gloss Black
• MPN: 00.4020.957.002

Important Notes

⚠️ Remote sold separately

Ideal For

✔ XC racing and marathon riders
✔ Downcountry and aggressive XC builds
✔ Riders seeking lightweight suspension performance
✔ Modern 29er MTB setups

Why Choose SID Ultimate Remote?

• Lightweight yet stiff 35mm chassis
• Advanced 3-position Race Day 2 damper
• DebonAir+ spring for superior ride feel
• Remote-adjustable efficiency
• Proven XC race performance

The RockShox SID Ultimate Remote 120mm is a race-ready fork that delivers precision, efficiency, and control—perfect for riders chasing speed on modern XC terrain.