* 12 speed Super Record chain* Fast and precise shifting* Slimer, but just as smooth and durable as the 11 speed chains* 5.15mm width, with pins that sit flush on the outer plate* Ultra-Link system ensures a solid chain connection
* 12 speed Super Record chain* Fast and precise shifting* Slimer, but just as smooth and durable as the 11 speed chains* 5.15mm width, with pins that sit flush on the outer plate* Ultra-Link system ensures a solid chain connection