2023 RockShox SID Ultimate 3P Crown Adjust Fork

Strong, light, and ready for anything. The RockShox SID Ultimate 3P is built for cross-country riders who demand performance, precision, and durability. Its 35 mm chassis and longer upper tubes increase bushing overlap, reducing side loads and friction while boosting long-term reliability. With the new Race Day 2 3P damper and DebonAir+ spring, SID adapts seamlessly to climbs, descents, and everything in between.

Features

• 35 mm XC chassis: Lightweight yet rigid, optimized for modern XC bikes

• Race Day 2 3P damper: Three-position compression (Open, Pedal, Lock) for on-the-fly tuning

• DebonAir+ spring: High-volume, tunable air spring for small-bump sensitivity and mid-stroke support

• Optimized bushings: Maximum overlap for smooth, solid performance on rough terrain

• Maxima Plush Dynamic Suspension Lube: Reduces friction and enhances durability

• Machined crown: Shaves weight while maintaining strength and stiffness

• Bolt-in torque cap adapters: Compatible with standard hub end-caps

• Signature colourways: Blue Crush or Ultimate High Gloss Black with Pearl White graphics

Specifications

• Damper: Charger Race Day 2

• Damper Adjust: 3-position Crown Adjust (Open, Pedal, Lock)

• Spring: DebonAir+

• Wheel Size: 29”

• Travel: 120 mm

• Fork Offset: 44 mm

• Weight: 1,476 g (110 mm travel, 44 mm offset)

Why You’ll Love It

The SID Ultimate 3P is more than a cross-country fork—it’s a precision tool for riders who demand performance and efficiency. Lightweight, stiff, and fully tunable, it excels on XC race courses, sportive loops, and backcountry adventures, giving you confidence and control on every ride.