Ultra Narrow 10-speed chain reduces chain noise and makes adjustment easier. _x000D__x000D_
Chain links and pins are hollow so that the chain weighs only 255 grams. Campagnolo lab tests show no reduction in wear and stretch when compared to previous 6.1mm chains._x000D_
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**Technical Specifications:**_x000D_
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* HD-Link system_x000D_
* Lightened links_x000D_
* Hollow pins_x000D_
* Width 5.9 millimetres_x000D_
* Anti-friction treatment
