☆【Less Noise】：Characterized by smooth rotation without much noise. Lightweight and small 18 tooth freewheel, easy to install on your bike. ☆【High Performance】：Keenso sprockets is made of metal, , high-performance and , which can maintain a long term use ☆【Smooth 】：High internal thread, ensure close connection with hub, smooth . ☆【Fast Riding Speed】：The single speed freewheel can provides fast riding speed and reduces the works required. ☆【What You Will Get】：We stand behind all of our them with a product guarantee and promise to give you the best in customer care, If you have any issue about the item, please us by e-mail, we will try our best within 24 hours to reply ASIN B086XFLCHD Model Keenso23rutaqk8d Brand Name Keenso Unit Count 1.0 Count Item Weight 168 Grams Part Number Keenso23rutaqk8d Strand Type Single Manufacturer Keenso Load Capacity 1E+2 lbf Material Type Metal Roller Diameter 3.1 Inches Recommended Uses For Product single-speed bikes Global Trade Identification Number 08503005503399