standard model of hipermax series for street use. next generation model of hipermax ii and performer , which had been popular because of their comfortable ride and sport performance by mono-tube design of damper. in addition to the pliant characteristic, durability of each part was improved. standard spec has newly designed rubber upper mount with pillow upper mount upgrading option. (inverted type is only with pillow upper.) 1. new design reinforced rubber upper mount reinforced rubber upper mount for street use. calm, comfortable and durable. (inverted type is only with pillow upper.) 2. dust boots is standard for both inverted and normal types it protects shaft from foreign objects. 3. mono tube type / height adjustable outer case type proved mono tube type and height adjustable outer case type enables pliant feeling and stylish looking. 4. 65 racing spring spring rate is optimized for each vehicle. long life and durable spring. 5. hdphiper digressive piston) large size piston has digressive characteristic that is best for street use. 6. stainless steel lock nut, ride height strong against rust and corrosion. 7. 30 steps damping force adjustment function 30 steps adjustable damping force enables various settings. - features/ for street use. reinforced rubber upper mount. special oil upper mount is selectable. (inverted type is only with pillow upper.) - structure/ mono tube type - ride height adjustment function/ ride height adjustable outer case - damping force adjustment function/ 30 steps - case/ hard chrome plating - spring/ straight type * special spring for rear of some vehicles. - hdp