Kryptonite Security WheelNutz fit to the solid axle of your hub, and lock your wheel to your frame.
Use the WheelNutz to secure your front wheel, while using an additional lock like the Messenger Mini to secure your rear wheel and frame to something secure.
When WheelNutz are installed your bike must be turned upside down to remove the wheel - if your bike is secured to something your wheel can't be removed
Fitting - 9mm QR Axle Front and Rear.
Quick release skewers are rods which are threaded at one end, with a cam assembly on the other. This combines to make a lever operated cam system. The quick release mechanism was invented in 1927 by Tullio Campagnolo, who was an Italian bicycle racer. He was frustrated when he needed to repair a apartment tire during a race, the weather had turned cold, and his hands were numb, so he could not operate the wingnuts which retained the wheel. He had been well-placed prior to the puncture, but lost valuable time, so decided to develop a quick release skewer system which enables simple wheel removal in seconds.
Serious Security is the only business Kryptonite is in. They're committed to providing innovative products and programs and outstanding value. Headquartered in Canton, Massachusetts, Kryptonite is a premier manufacturer and marketer of high-quality cables, chains, U-locks and flexible security systems for the bicycle, power and snow-sports, locksmith and hardware markets. It is with great pride that Kryptonite provides Tough Locks for a Tough World to people in more than 50 countries. Kryptonite has won many awards and accolades over the years. Below are just a few of the products that are the toughest on the street.
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Goods are shipped from the UK. Does not include delivery charges, local taxes or import duties, if applicable.
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Executive Director: Stefan Barden.