ﾕ 35mm internal bore and piston ﾕ 57mm big bore twin tube design ﾕ 18mm double chromed shaft ﾕ Multi-stage damping adjustment. Handling characteristics are a personal choice, the amount of feedback you can feel or the speed of steering lock to lock is no longer a compromise. The Terrafirma Adjustable steering damper provides 4 options of damping force allowing the driver to select the setting that feels best. Terrain conditions, larger or smaller tyres, different tread types and pressures, driving styles and vehicle load will all have an effect on how the vehicle handles and reacts. An easy to rotate 4 position adjuster knob is built into the shock to alter the internal valving.