Experience silky smooth pedaling, improved shifting accuracy, and extended durability with NEW Kogel ceramic derailleur pulleys designed for the latest SRAM Eagle Transmission. Choose from a variety of colored options to add some flash to your bike, because fitting in is boring! Our pulleys are equipped with aluminum cogs and serviceable bearings that resist the most challenging mountain bike conditions. The 14T upper and 18T lower pulley wheels maximize the tooth count to reduce friction.