This is Myrtle West  240 1/4" 530 16 tooth offset sprocket. This is used on all of our custom 240 swing arms. It will work with others too. This sprocket has been CNC machined, broached and hardened. They are made out of 8620 alloy steel! This is a must have with your 240 swing arm. This is the same sprocket we use on our 240 STUNT BIKES. You can see them in action at www.teammyrtlewest.com

Fits:
03-2011 R6's
98-2011 R1's

Please give us a call at 843-756-1072 and talk to on of our representatives if you have another application!