SID SL Ultimate Race Day 29" Boost Fork

RockShox SID SL Ultimate Race Day 29" Boost Fork

When every gram counts and peak performance is essential, the RockShox SID SL Ultimate delivers. Designed for speed and precision, this cross-country fork features the brand's lightest damper to date — the Charger Race Day. Paired with a race-tuned DebonAir air spring, ultra-low friction SKF seals, and Maxima Plush damping fluid, the SID SL Ultimate is built for riders chasing the podium.

New 32 mm chassis
A lightweight chassis designed specifically for classic cross-country bikes.

Charger Race Day damper
RockShox’s lightest production damper, offering dependable performance with a rock-solid lockout for climbing and sprinting.

DebonAir air spring
Tuned for cross-country riding, it maintains a higher ride height for improved control and rider confidence.

SKF wiper seals
Low-friction, long-lasting seals enhance fork performance and overall suspension feel.

Maxima Plush damping fluid
Reduces internal friction and minimises damper noise for a smoother, quieter ride.

Precision-machined, anodised crown
Engineered for strength and weight savings.