Product name: Bicycle axle nutThe cross section of the nut is smooth, without burrs, the thread is clear and neat, and there is no gap, which is conducive to tighteningReplacement bike partsCan be used for mountain bike quick repair, front hub axle quick release, mountain bike, training car and so on.You can use it to make quick repairs to your mountain bike. Perfect for cycling enthusiasts, your best choice.Suitable for road cars, mountain bikes, mountain bikes, BMX bikesThese bicycle wheel nuts are both charming and practical in their exquisite design, craftsmanship and wide range of applications.These bicycle wheel clips are perfect for giving to family, friends, co-workers and more at Christmas, Halloween, Valentine's Day and other holidays.Inner diameter of front axle nut :8 mmRear axle nut inner diameter :9.5 mmMaterial: Zinc alloyColor: BlackSet includes :Front axle nuts*2 + Rear axle nuts*2Note:For manual measurement, please allow slight error in size.There may be slight differences in color due to different screen displays.Possible swallowing hazard. Keep away from children.Please check the size carefully before buying.