You won't find a stronger, more durable or more beautiful chain than the legendary Super Toughness, made from steel in Japan.
 
Channel usinga special high carbon alloy for connecting pins, often used in low friction ball bearings, which provides a 300% increase in durability over a standard chain.
One of the few chains that meets the strict certification requirements of the Japan Keirin Association (NJS), recognized by riders for its strength and efficient power transfer.
 
exists in 1/2  x 1/8    106 links  380 Grs chain of 3
and         in 1/2  x 3/32  116 links  362 Grs chain of 2