Universal Derailleur Hanger Accessory Mounts The cogs themselves have a

The cogs themselves have a 6-bolt hole pattern just like disc rotors so you can attach them to hubs with disc rotor mounts for fixed-gear use

we built the Zinger Conversion Kit to help you single-speedify your ride

Instead of buying new levers or brakes

Problem solved

If you’re trying to mix and match SRAM/Avid and Shimano components

Universal Derailleur Hanger Accessory Mounts The cogs themselves have aThe Universal Hanger should be in everyones saddlebags. If your existing derailleur hanger busts, strips or is totally wonky, the Universal Hanger replaces the drive side nut on your quick release skewer so you can get the majority of your gear range back. Absolutely essential for touring or epic mountain biking. Universal Derailleur Hanger