Shimano CJ-NX10 is a Revo-shift lever designed for use with Shimano Inter-4 hubs, offering smooth and precise gear shifting with a simple twist of the lever. It features a user-friendly indicator that moves to indicate the current gear, making it easy to keep track of your shifting. The lever is compatible with handlebars with a straight section of at least 145mm, and can be easily installed by following the included instructions. The Shimano CJ-NX10 is a reliable and durable choice for riders seeking a hassle-free shifting experience.