Your Shopping Cart Continue shopping “SHOCK-WBV C Series Seat Suspension for Helm Chairs Spring Shock Absorber – DNM Black” has been added to your cart. Item Your Options Quantity Price SHOCK-WBV C Series Seat Suspension for Helm Chairs Spring Shock Absorber - DNM Black SHOCK-WBV C Series Seat Suspension for Helm Chairs Spring Shock Absorber - DNM Black quantity $1,399.99 × Coupon: Apply coupon Update cart Continue Shopping Cart totals Subtotal $1,399.99 Sales Tax $84.00 Total $1,483.99 Proceed to checkout