Features: The bicycles wheel nut are made of aluminum-alloy, which is super durable and not easy to break or deforms. Bicycles Thru Axles Nut M12 M15 P1.0 P1.5 P1.75 Hubs Shaft Cap Bike Accessories. A hard-wearing and durable spare or replacement nut,ensures a reliable connection to your thru-axles. Fit for use with 12/15mm thru-axles, it does a good jobs in keeping the axles firmly in place. Applicable to: road bike, mountain bike, fold bicycles, flat bike, childrens bike, ordinary bike, etc. Specifications: Material: Aluminum-Alloy Model: M12 1.0/M12 1.5/M12 1.75/M15 1.0/M15 1.5/M15 1.75 Type: M12/M15 Thread Pitch: 1.0mm/1.5mm/1.75mm Size: As shown in the picture Note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Nut Screw Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.