Professional riders are the everyday testing ground for Campagnolo chains made for Record 11x and Super Record 11x groups._x000D__x000D_
Links and pins have been designed to adhere perfectly to gears and sprocket teeth providing maximum fluidity, reduced friction and improved chain life._x000D_
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**Technical Specifications:**_x000D_
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* Width 5.5mm _x000D_
* Ultra-Link fastening system _x000D_
* Outer links in special new steel _x000D_
* Ni-PTFE anti-friction treatment _x000D_
* Hollow pins_x000D_
* 2,10g / link
