Tailored to the latest lightweight and uber-capable trail bikes the Deluxe Ultimate RCT offers a fully-checked damper design featuring Low Speed Compression adjustment and optimal traction control tuning. Featuring the new DebonAir+ air spring with new air can options a wider range of Rebound adjustment more tuning capabilities than ever before and increased bushing overlap for improved small bump performance and grip. The result is truly Deluxe.DebonAir+ air spring with two new air can options allows you to tune the negative and positive air volume to find the perfect match for every bikeCastled bottom-out bumper reducing harsh bottom-out allowing you to tune the air spring to maximize grip comfort and controlWider range of rebound adjustment to accommodate more ridersIncreased bushing overlap improves small bump performance and gripFully-checked damper design allowing for a Low Speed Compression adjustment and optimal traction control tuningSeparate and independent Open and Pedal pistons tuned exactly for your rideMaxima Plush damping fluid reduces friction and silences damper noiseE-bike approved