Rockshox Deluxe Ultimate RCT Rear Shock A custom-tailored ride, every time Rockshox's latest trail and all-mountain rear shock is here and it's tuned to be light on ounces and heavy on capability. The Deluxe Ultimate RCT rear shock features the new Debon Air+ spring with more volume adjustments for even more fine-tuning. Low-speed compression and rebound adjustments allow you to dial in the Deluxe Ultimate RCT to your liking. With the easily accessible lever you'll be able to switch between an open and firm setting for descending or fire road climbing efficiency. Premium Maxima Plush Dynamic Suspension Lube reduces friction to keep things running smooth and maintain traction. The Deluxe Ultimate RCT streamlines all of Rockshox's engineering prowess and trail-ready features into one sleek rear shock built for the modern trail rider and uber-capable trail bikes. Features:Debon Air+ spring offers more volume adjustments Low-speed compression and rebound adjustments for fine tuning Easy access lever with both open and firm settings Premium Maxima Plush Dynamic reduces friction and improves traction Bushing overlap improves small bump performance and grip SPECIFICATIONSDamping RCTSpring Debon Air+Adjustments Low speed compression, rebound Coating Size & Options190x37. 5, 190x40, 190x42. 5, 190x45, 210x47. 5, 210x50, 210x52. 5, 210x55, 230x57. 5, 230x60, 230x62. 5, 230x65Intended Use Trail, All Mountain Weight313g | Rockshox | Deluxe Ultimate Rct Rear Shock (210X50) Linear Air, 0 Neg/1 Pos Token, Linearreb/lowcomp, 380Lb Lockoutforce, Standard Standard - C1