SID SL Ultimate Flight Attendant Race Day Fork 2026

The Ultimate XC mountain bike fork for XC race day, fitted with RockShox Flight Attendant automatic adjust suspension system. As seen on the front of world cup and Olympic XC bikes, the SID Ultimate delivers professional level performance. 

All-new DebonAir+ air spring and Charger Race Day 2 damper let you dial in your perfect set-up. The SID SL Ultimate takes it a step further than the standard SID with a machined, anodised crown, giving racers a sleek, polished look that stands out on the start line.

Features

• NEW DebonAir+ air spring
• Lightest XC fork available
• Flight Attendant automatically adjusts suspension in real-time, optimising every pedal stroke for efficiency and control while delivering unmatched personalisation
• Fork-Only algorithm update enhances the Flight Attendant system to seamlessly adapt to hardtail bikes
• 80mm - 110mm travel options
• NEW Electric Red Signature colourway
• Charger Race Day 2 Flight Attendant electronic damper with Open/Pedal/Lock positions
• 32mm chassis

SRAM Flight Attendant -

This intelligent system adjusts suspension compression in real time to deliver firm pedal efficiency on flats and climbs plus drawing the very best out of the SID ultimate fork and shock on descents and over technical features.

SPECIFICATIONS

Wheel size: 29"
Travel (mm): 100mm, 110mm
Damper type: Flight Attendant Race Day
Fork offset: 44mm (29")
Colour (FS): Electric Red - Gloss, Gloss Black
Axle: 15x110mm BOOST™
Upper tube type: 32mm straight wall aluminium
Volume reducer: 0/3 Tokens
Spring: DebonAir+
Crown OD (mm): 56