This bicycle wheel hub axle is designed for stiffness and comfort, highly durable and smooth rolling Front and rear bicycle axle used to replace the rear wheel on the bicycle for cleaning, transportation and maintenance, and fix the chain in place Mountain bike wheel axle can prevent the chain from tangling during transportation or when cleaning the chain, and to prevent the frame from being scratched Wheel hub axle is easy to use, just remove the rear wheel from the bicycle. clamp the chain retainer or dummy hub on the hook Bicycle wheel hub axle allows the bicycle to be moved with the wheels removed, and the derailleur can be moved Color: As shown. Material: Metal. Size: Rear axle: 24cm It keeps the chain taut and away from the frame and paint. Package Including 1 * Rear bike wheel hub axle