Hot Racing Axial SCX24 Aluminum Threaded Oil Emulsion Shocks are a great upgrade for the Axial SCX24, or other mini/micro size crawler. These shocks are oil damped, requiring filling of silicone oil, and feature a machined faux reservoir shock cap for realistic scale looks. Features: Machined aluminum construction Threaded shock bodies for quick pre-load adjustments Scale-looking reservoir (non-functioning; for scale only) Three spring rates included Replaces Axial AXI31612 SCX24 shock set Reservoir is for aesthetics only and is non-functional NOTE: Silicone shock should be only fully filled 80% with shock shaft compress 80%. Mount with wide flange outward to retain O-rings. Specifications: Extended length eye-to-eye: ~32.5mm Compressed length eye-to-eye: ~23mm Stroke: 7.5mm Includes: (4) Shocks (4) Ex Firm Spring (Gold) (4) Soft Springs (black) (4) Firm Springs (silver)