Riedell's Powerdyne original Reactor, Reactor Fuse, Reactor Neo and Reactor Pro Series plates have a ball joint pivot and require this specific pivot cup.

They will not fit on any other skates. - Delrin acetal resin is specifically engineered to reduce friction and wear between plastic and metal, tougher and have a better impact resistance. It is the perfect material for pivot cups! These will last longer than their rubber counterparts and reduce drag on your truck pivot!

Sold individually (one pair of skates needs 4 pivot cups - 2 per skate)

Measurements:

• Outer Diameter: 11mm
• Inner Diameter: 9mm

Compatible with:

• Original Reactor Plates
• Reactor Fuse, Neo, Pro Plates