Front Cs Sprocket Steel 17t-520 Yam

Features:

• Manufactured from hardened SCM-435 steel making them virtually indestructible
• CNC machining provides a perfect fit and smooth chain rotation
• Fully recessed and drilled to reduce rotational mass
• Gas impregnated carburized teeth provide durability and reduce chain drag
• Grooved to prevent dirt build up under the chain and prolong chain life