Home / Tire Changer Accessories / Clamping Adaptors / PN 18077 Wheel Balancer Spacer and Backing Plate Combo PN 18077 Wheel Balancer Spacer and Backing Plate Combo$417.02 For use on wheel balancers with a 40mm shaft. PN 18077 Wheel Balancer Spacer and Backing Plate Combo quantity Add to cart PN: 18077 Category: Clamping Adaptors Tag: 40mm Related products PN 18048 Wheel Balancer Cone $283.00 PN: 18048Add to cart Wheel Balancer Cone. 28 mm to cover ranges from 3.00 – 3.25. $64.14 PN: 18045Add to cart PN 18047 Wheel Balancer Cone $255.64 PN: 18047Add to cart PN 18059 Wheel Balancer Cone $420.77 PN: 18059Add to cart