chains are manufactured using high grade stainless steel in order to satisfy the needs of clients at our vendors end. post-finishing, these chains are duly checked on various criterion like finishing and strength. the fitment of the product is as per oe specification. sprocket are manufactured from standard mild steel material, carbon steel material with duly flame hardened teeth and also from stainless steel material with various grades. it delivers it function successfully. the fitment of the product is as per oe specification.