**Please ensure you have a 13x compatible wheelset to be use this product**A drivetrain - in fact a bike - is nothing without a chain to make it all work! And in Campagnolo's ground-up design of the 1x13 Ekar drivetrain, they kept that fundamental component front and centre of their focus. They knew it had to be a vital element in operating effectively and reliably in the toughest environments gravel and all road riding can throw at you!The new Nickel-Teflon treated C13 chain is designed specifically to work efficiently and securely with narrow-wide 13- sprocket system. Despite being Campagnolo's narrowest ever chain, it's also strong, light, durable and amazingly efficient.**Technology*** Narrow profile: lightweight, strong and efficient* 1x13 Ekar profile: designed to interface perfectly with the Ekar Wide-narrow teeth design on the Ekar chainset* Construction with different grades of steel and coatings: to create strong and durable links* Unique bath lubrication system: for long-life efficiency**Specification*** Designed specifically for Ekar 1x13 groupsets* Suitable for Gravel and All-Road riding* Weight: 242g (117 links / C-link)