RockShox

Ultimate RCT Trunnion Rear Shock - 185x52.5mm C2

The RockShox Deluxe Ultimate RCT Trunnion Rear Shock (185x52.5mm, C2) delivers the kind of precise, confident control that aggressive trail riders demand. Built around the proven DebonAir+ Linear XL air spring, this shock strikes the perfect balance between plush small-bump sensitivity and big-hit support—ideal for riders chasing that dialed feel on every descent. With independent compression and rebound adjustments, it gives fine-tuned control over every ride characteristic, whether climbing efficiently or charging through rough terrain.

Designed for riders who refuse to compromise, the Deluxe Ultimate RCT packs in premium performance details like Maxima Plush damping fluid for a smoother, quieter ride and a bottom-out system that keeps things controlled when the trail gets rowdy. The result is a rear shock that feels composed and capable everywhere—from all-day backcountry loops to e-MTB sessions that push the limits.

• DebonAir+ Linear XL air can offers a wide tuning range for a custom feel in a compact, lightweight package
• Independent Low Speed Compression and Rebound adjustments let riders fine-tune traction, comfort, and efficiency
• Bottom-out control system enhances composure under hard hits while reducing noise and harshness
• Maxima Plush damping fluid minimizes friction for smoother performance and quieter operation
• E-bike approved for durability under higher loads and extended ride times
• Quick-access lever switches easily from Open to Firm/Lock for efficient climbing or aggressive descending

For riders who expect their suspension to match their ambition, the RockShox Deluxe Ultimate RCT Trunnion is the go-to choice for precise control, buttery smooth response, and confidence on every descent.

Default Settings

• 4 Neg/0 Pos Tokens,
• Reb55/Comp30
• Lockout 4
• Linear XL