Welcome to our store!</br> 1、The flower drum is tightly fixed with accuracy thread, and the thread polished by accuracy machine tool is clear and firm 2、Flywheel and flower drum are closely combined to make riding more comfortable and smooth 3、The movable flywheel rotates gently and runs smoothly. There is only a slight "tick" sound during operation 4、Nickel chromium electroplated silver, special high tensile steel, 3 layers of nickel chromium electroplated silver for rust prevention 5、Fine quenching, accurate positioning tooth form and effective transmission. Suitable for single speed, ordinary , for BMX Bicycle, folding bike <p class="wang-edit-text"><p class="wang-edit-text"><p class="wang-edit-text"> <p class="wang-edit-text"> <p class="wang-edit-text"> Item Type:&nbsp;Bike Freewheel Material: Steel Process: Fine Quenching, Special High Tensile Steel, Brown Chromium Plating, 3 Layers of Nickel Chromium Electroplating Silver for Rust Prevention Thread Inner Diameter: Approx. 34mm / 1.3in Number of Teeth: 16T Applicable: Single Speed , Ordinary , for BMX Bicycle , Folding Bike <style> .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }</style> 1 x Bike Freewheel (Customer Satisfaction) - is our priority. If you notice any problems with the products after receiving the goods, such as damaged goods or incorrect quantity, please contact us immediately. We will do our best to provide you with satisfactory after-sale service.</br>