Euro-Asia Gold Medal Cog<br /><br />Beyond the GIGAS!<br /><br />NOW WITH COLOR CODED BAND!(running change, some sizes not yet available)<br /><br />Colors are as follows:<br />13t-Yellow<br />14t-Blue<br />15t-Red<br />16t-Green<br />17t-Black<br />18t-White<br /><br /> The only titanium nitride coated track cog!<br /> Only the best are hand picked from the hand filed, hand polished Superstar Cog to be titanium nitride treated.<br /> Most durable, lowest friction coefficient, quietest, smoothest running cog ever designed.<br /> 100% more durable than the Superstar!<br /> Ideally use with high end chains (i.e. Izumi ESH & Super-V, HKK Vertex, DID NJS)<br /> Ridden by track racers: Theo Bos, Jamie Staff and Josiah Onn Lam Ng