PITLOCK™ solid axle locking nuts are super strong. They are designed and built to withstand both the high torque required by road bikes, and, more importantly, nasty little thieves. These bolts use the same locking technology as the regular sized skewers.
1. The uniquely-shaped, coded nut can only be turned using the matching Pit Key.
2. The protective outer housing spins freely so vice-grips and pliers are useless.
3. Grooves on the back of the coded nut mesh with teeth on a specially-designed lock-ring making it impossible to undo by reaching in with needlenose pliers.
4. As shown in the photo to the right, Pitlock Solid Axle Nuts have the added advantage of covering up the bolt on some bikes' replaceable derailleur hangers.
Beautifully machined out of high-grade stainless steel, each one measures a full 1 3/16 in diameter at the base. Make sure that you have room for them. Most rear dropouts will accomodate the size, however, some suspension fork bodies extend too close to the dropouts.
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