Pit Bull BDS Kronik 100mm Super Shocks, are officially licensed by BDS Suspension. Featuring "Super Seal Technology" Pit Bull Kronik shocks use four internal shock shaft seals to reduce shock leakage and create super smooth suspension travel. The adjustable spring collars allow for on the fly adjustments without having to unscrew the Lower Seal Retainer. Three years of development help to give the Kronik shock a realistic look and feel and are ideal for any scale build that uses 100mm shocks. Features: Super Seal Technology On the fly Spring Collar Adjustments Black Anodized Aluminum Shock Cap with Hard Anodized Aluminum Pivot Ball (Eyelet) Hard Anodized Aluminum Threaded Shock Body Black Anodized Aluminum Threaded Pre-Load Adjuster Black Anodized Aluminum Lower Seal Retainer Dual Rate & Single Rate Springs Included Black Anodized Aluminum Lower Rod End with Hard Anodized Aluminum Pivot Ball (Eyelet) Includes: (2) Shocks (2) Dual Springs (Mounted) (2)Single Springs (1) Wrench Decals