The 

RockShox Deluxe Select+

 is a high-performance, lightweight air rear shock designed for trail and cross-country mountain biking, offering a balance of climbing efficiency and descending control. It features the tunable DebonAir+ spring and adjustable rebound, with a lever to switch between "Open" and "Firm" compression positions. 

Key Features and Technology

• DebonAir+ Air Spring: This system allows tuning of both the positive and negative air volumes to perfectly match the bike and riding style, providing a plush feel with excellent small-bump compliance.

• Damper Options: The 

• Select+

•  model typically uses an RT damper system, which features external rebound adjustment and an easy-access lever to intuitively switch between two compression positions: Open or Threshold (firm/lock).

• Maxima Plush Dynamic Suspension Lube: Maxima Plush lube is used internally to reduce friction, ensuring smooth operation and extending service intervals.

• Bottom-Out Bumper: A castled bottom-out bumper helps to reduce the harshness of large hits and big impacts, allowing riders to use full travel more comfortably.

• Increased Bushing Overlap: The design incorporates increased bushing overlap to reduce binding under hard cornering and braking loads, which improves small-bump performance and grip.