The Abus Nutfix Locking Axle Set provides optimal additional protection for your bicycle\'s wheels. Don\'t rely solely on the quality of your bicycle lock, many thieves also target individual bicycle parts, stealing wheels or saddles for example. The Abus NutFix™ provides additional security for your wheels against possible theft.Abus Nutfix Locking Axle Set FeaturesSecure locking thanks to innovative gravitation technologyProven technology for a high level of picking protectionCan be installed using a standard SW 15 open-end spannerThe anodised surfaces of the caps, available in a range of colours, provide long-term protection against corrosionNuts manufactured from high-quality stainless steelTo prevent the Abus Nutfix Locking Axle Set from being opened, the bicycle must always be standing, attached to a fixed object.