ITEM NAME:2 Pieces 9mm Replacement Bicycle Bike Rear Hub Axle Nut - Lightweight, Strong & Description: 2 Pieces premium stainless steel bicycle wheel axle flange nut, lightweight high strength, corrosion resistant and durable One wheel requires two nuts and a flange nut has a wide flange at one end that acts as an integrated, non-spinning washer It serves to distribute the pressure of the nut over the part being secured, reducing the chance of damage to the part and making it less likely to loosen as a result of an uneven fastening surface Universal for rear wheels on many bikes Mountain road bike, track bike, fixed gear DIY modified accessories Great replacement gear accessories for bike cycling enthusiasts Specification: Material: Stainless steel Inner Diameter: Approx. 9 mm/0.35 inch Color: Silver Quantity: 2 Pieces Package Includes: 2 Pieces Bicycle Wheel Axle Nut Note: Please allow slightly difference due to manual measurement. Color may be slightly different since different monitor. Thanks! SKU: FUZ0002330654028740.2 Pieces premium stainless steel bicycle wheel axle flange nut, lightweight high strength, corrosion resistant and durable. 2 Pieces Bicycle Wheel Axle Nut. One wheel requires two nuts and a flange nut has a wide flange at one end that acts as an integrated, non-spinning washer.