Features: - Micrometric adjustment for calibrating the hydraulic damping by means of a 28-click knob on the side of the reservoir. - Anodised knob in six colours. - Bolts in steel. Ball joint in AL7075 alloy, with ball in chromed steel/PTFE/steel. - Clamping ring in Ergal with ball in chromed steel/PTFE/steel. - Rod in high-strength steel alloy with hard chrome plating. Made in Italy.