Engineered for elite cross-country performance, the RockShox SID Ult FA D1 Suspension Fork delivers unparalleled automatic control, ultralight efficiency, and superior bump absorption.

The RockShox SID Ult FA D1 Suspension Fork in Black (29x120mm) represents the pinnacle of XC suspension technology, meticulously designed for competitive racing and aggressive trail riding. Featuring the revolutionary Flight Attendant electronic system, it automatically adjusts damping in real-time to terrain and rider input, ensuring optimal efficiency and traction without manual intervention. Built with a lightweight chassis, Charger Race Day Damper, and DebonAir spring, this 120mm travel, 29'' fork provides incredible sensitivity, support, and responsiveness. The SID Ultimate Flight Attendant is the definitive choice for riders seeking every advantage in speed, control, and automated suspension performance.

• Flight Attendant electronic system automatically optimizes damping in real-time.
• Ultralight chassis with Charger Race Day Damper for elite XC performance.
• DebonAir spring offers a supple feel off the top and progressive support.
• 120mm travel optimized for 29'' wheels, blending efficiency with capability.
• Maximizes efficiency, traction, and control automatically, reducing rider fatigue.
• Ideal for elite cross-country racing and aggressive XC/light trail riding.