18 Teeth Single speed Bike Freewheel Metal Material Bicycle Chain Sprocket One Replacement Accessory

【Product material】The bicycle flywheel is made of high-quality high-quality metal, corrosion-resistant, excellent performance, durable, about 7.8 cm / 3.1 inches in diameter 【18-tooth design】The flywheel adopts 18-tooth design, with high-precision internal thread, to ensure a tight connection with the bicycle hub, smooth operation and smooth rotation without much noise. 【Uses】The flywheel is an indispensable part of the hand brake bicycle. The flywheel is screwed and fixed on the right end of the rear axle with the inner thread, keeping the same plane as the sprocket, and is connected with the sprocket through the chain to form the driving system of the bicycle 【Easy to install】The flywheel is light and compact, easy to install with the tools that are always available on the bicycle, and can replace your damaged flywheel. Our product is a single stage flywheel 【High-Quality After-Sales Service】 Your satisfaction is our greatest pursuit, we are committed to providing customers with a pleasant shopping experience and satisfactory after-sales service. If you have any questions, please feel free to contact us. We will give you a satisfactory answer within 24 hours.