Rear Sprockets ZF Dual

ZF Dual sprockets are manufactured using an anodized aluminum hub and a treated steel outer ring.
The special interlocking profile of the two components ensures unmatched rigidity and reliability in the industry, while also giving the bike a racing look. The outer ring features a black protective treatment that increases surface hardness. Additionally, the sprocket has a mud relief groove at the base of the tooth for better cleanliness and durability.
ZF Dual sprockets are by far the best combination of durability, lightness, and price!