You want your disc there for you on race day, so take an extra step to protect it in transit. The set consists of two disc-shaped high-density plastic boards. Just place one board on each side of the disc. They help guard against unwanted bumps and point loads.
– Fits into Zipp wheel bag.
– Outside diameter: 25 inches
– Center hole diameter: 2.7 inches
– Board thickness: 2.2mm
– Weight: 1.35kg (pair)
