RockShox SID Ultimate Race Day fork. Using SID Ultimate means every detail is taken care of. Packaged in a stiff and light 35mm chassis and equipped with the lightest and most efficient damper we’ve ever made – the Charger ™ Race Day. Perfectly balanced to satisfy your need for speed in XC.

Characteristics:

The new 35mm legs are the perfect combination of lightness and stiffness for a modern XC bike.
The new Charger Race Day Damper is our lightest factory shock with reliable locking
Extendable TwistLoc lever for locking
The new DebonAir air spring is tuned specifically to meet XC requirements and maintains a higher ground clearance for more confidence and control.
Ability to install Bottomless Tokens to change air spring progression
New SKF ultra-low friction oil seals ensure long-lasting fork performance and improve the overall feel of the suspension.
The proven Charger RL damper ensures smooth operation and reliable blocking
Maxima Plush damping oil reduces friction and muffles damper noise.
Milled and anodized crown
Compatible with the new short wing. Includes short fender with RockShox logo on 2 bolts
Signature color SID Blue and Ultimate High Gloss Black
Ultimate Foil Graphics Pack
Brake mount PM7 (direct mount 180 mm)
Tire Size (Max): 29 x 2.6 inches
Wheel diameter: 29
Fork stroke: 120 mm
Axle standard: 15×110 (Boost)
Shank: 1 1/8″ – 1.5″ tapered
Damper: Charger Race Day
Spring: DebonAir
Leg diameter: 35 mm
Offset: 44 mm
Remote lock: yes
Style: XC
Model year: 2021
Article number: 00.4020.548.002