Gates B97 Hi-Power Belt Flex-Bonded Cords are strongly bonded to the body of the belt resulting in equal load distribution and the absorption of bending stress without cord deterioration The Flex-Weave Cover is constructed for longer cover life, providing extended protection to the core of the belt from oil, dirt, and heat Gates Curves provide proper cord support and full contact with the sheave-groove for uniform loading, uniform wear, and increased belt life