This eagerly anticipated new version of the Interlock Chain is designed to work Perfectly with smaller Sprockets. The links feature Slightly Curve on Plates which right down to 9T Sprockets for Smooth running. The chain also has a new Brace to Eliminate Cracked Rollers & Rests against the Chain Pin to reduce the Roller Floating on the Pin. If that sounds a little complicated just remember this – this Chain is Better and Stronger than the older version!