Features: 1,Enhanced Performance: With 16 teeth, this single speed freewheel provides smooth and consistent power transfer, improving the overall performance of your bike. 2,Durable and Corrosion Resistant: Made of carbon steel material, this 16 teeth single speed bicycle freewheel is built to last and resistant to corrosion. 3,Reliable Performance: The 16 teeth single speed bike freewheel has high standards of performance, characterized by stable rotation and no noise. 4,Accurate Internal Thread: The high accyracy internal thread of bike freewheel ensures tight connection with the wheel hub and moderate operation. 5,Replacement Component: 16T single speed freewheel is a great bike and bicycle replacement component, suitable for many bicycles, and it is also detachable. Specification: Item Type: 16 Teeth Single Speed Freewheel Material: Carbon Steel Weight: Approx. 235g / 8.3oz Package List: 1 x Flywheel 1 x Base