Elite XC Race Performance
The RockShox Sid SL RL Ultimate 100mm Race Day 29” Boost Twist Loc fork – Black is engineered for competitive XC riders demanding the lightest, fastest, and most responsive suspension available. With an ultra-light chassis and the premium Race Day damper, the RockShox Sid SL RL Ultimate 100mm Race Day 29” Boost Twist Loc fork – Black offers precise handling and race-proven performance on demanding cross-country courses.
Ultra-Lightweight XC Chassis for Maximum Speed
Designed for pure XC efficiency, the RockShox Sid SL RL Ultimate 100mm Race Day 29” Boost Twist Loc fork – Black features an incredibly light chassis that boosts acceleration and reduces fatigue during long races. Its minimalist construction provides high stiffness, ensuring smooth tracking and razor-sharp steering during fast climbs, technical root sections, and sprint finishes.
Race Day Damper for Premium Control & Smoothness
The RockShox Sid SL RL Ultimate 100mm Race Day 29” Boost Twist Loc fork – Black uses the Race Day damper—RockShox’s lightest and most efficient damping system. It delivers responsive compression and rebound management, keeping the fork composed through small bumps and high-speed impacts. Paired with the TwistLoc remote, riders can instantly lock out the fork for maximum pedaling efficiency.
100mm Travel, Boost Stiffness & 29″ Precision Handling
With 100mm of fast, responsive travel, the RockShox Sid SL RL Ultimate 100mm Race Day 29” Boost Twist Loc fork – Black handles technical XC terrain with ease. Boost spacing enhances wheel stiffness, giving riders precise control at high speed. The 29-inch design improves rollover capability, allowing racers to maintain momentum on rocky or uneven trails.
| Specification | Detail |
|---|---|
| Wheel Size | 29″ |
| Travel | 100 mm |
| Stanchion Diameter / Chassis Type | Lightweight SID-series chassis (32 mm stanchions, low-weight construction) |
| Spring Type | Solo Air air-spring (adjustable air pressure) |
| Damper / Lockout | RL damper with TwistLoc remote lockout (on-the-fly suspension lock) |
| Offset (Rake) | 44 mm (Boost 29″ standard offset) |
| Axle / Hub Spacing | 15×110 mm Boost thru-axle |
| Steerer Tube | 1.5″ tapered steerer |
| Brake Mount | Post-mount disc brake |
| Intended Use | Cross-Country (XC), Marathon, Light Trail, Race-day setup |
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