The Shimano SF-MX30 CP Finish Single Freewheel Sprocket offers reliable performance for single-speed setups. Designed for simplicity and efficiency, it is perfect for riders seeking a clean and straightforward drivetrain solution. Compatible with Various Chains: This freewheel sprocket is versatile, compatible with both 1/8" and 3/32" chains. Whether you're outfitting a track bike, commuter, or single-speed mountain bike, the SF-MX30 is a dependable choice. Multiple Teeth Options: Available in 16, 17, or 18 teeth configurations, the SF-MX30 allows you to select the gear ratio that best suits your riding style and terrain. Its flexibility ensures you can optimize your ride for speed or climbing as needed. Durable and Lightweight Construction: With its CP finish, the freewheel is built for durability and smooth operation. Weighing approximately 177 grams (17 teeth), it strikes a balance between strength and weight, ideal for a variety of cycling applications. Featuring 1.37" x 24 TPI threading, the SF-MX30 installs seamlessly onto standard hubs, ensuring hassle-free compatibility and quick setup for your bike. Designed to keep you riding with confidence.