This is a "stiffener" for Spinergy Rev-X road bike wheels. Those parts were sold as a spare part in the late 90s, but it´s hard to find those. The part stiffs the carbon spokes ans prevents them from vibrating. It converts your normal Spinergy Rev-X wheels to the super-stiff ones. This "stiffener" can upgrade your Spinergy Rev-X road bike wheels by preventing vibration and ensuring superior stiffness. Carbon spokes were originally sold separately in the late 90s, but are now hard to come by. Upgrade your ride with confidence and stability.
