Hot Sale Single Speed Bike Fixie Hub, Bicycle Hub, Fixed Hub is one of the most popular bicycle hub products in our company, and it is suitable for fixed bike and road bike. The code of this product is FH001, and the raw materials are aluminum alloy and steel. FH001 parameters are 20-24 and 32-32 holes, 4 bearings (front 2, rear 4 bearings). Its advantages are gorgeous color, high strength, high quality, durable, not easy to damage! Our core advantage is to accept customer customization, we have a professional design team, according to customer requirements to produce large goods. At the same time to provide good after-sales service and the best quality transportation service.