A perfect match of style and performance. Ryan Decenzo’s Signature Series isotopes feature high precision chrome steel inner/outer rings, diamond polished raceways and rolling elements, zirconium oxide (ZrO2) rolling elements, high strength thermoplastic cage, and Quantum's proprietary Graphflo engineered lubrication process.

Each Ryan Decenzo Signature Series Bearing Kit Includes:

8 x isotope series bearings

16 x Ryan Decenzo Signature frictionless shields (8 installed, 8 spares)

8 x speed washers

3 x stickers