Nexx Racing's Optional/Replacement TELE SHOCK CONVERSION for the SCX-24 crawler. Features include: CNC'd aluminum and brass construction. Telescopic design for maximum travel. Threaded shock bodies for quick and easy adjustment. Extended length approximately: 48.5mm compressed length approximately: 28.5mm. Stroke: 23mm. Spring length approximately: 32mm. Spring diameter: 4-4.5mm. Nexx Level of enginnering.