80% SK99 Highest Quality Dyneema 20% Vectran.
All the benefits and performance of BCY X.
When compared to BCY X, the smaller diameter of X - 99 means more strands are needed for a finished Bowstring (+2/4). Good for Compound Bows and Recurves.
Good Arrow Speed
High abrasion resistance
Recommended strands: 26- 28 for Compound Bows