FITMENT: The rear fork axle nuts fit for Sur Ron Ultra Bee. MATERIALS: The axle nuts for Surron Ultra Bee are made of aluminum alloy which is not easy to rust, although lightweight, it also has strength and is not easily deformed. FEATURE: Fixed on the rear axle for Sur ron Ultra Bee, prevent dust and water from entering, extending the use life of the front axle. ANODIC OXIDATION: Rear fork axle nut has undergone anodizing treatment, which is not easy to fade, colorful and smooth with a glossy surface.<br><br>Colour:Black Material:aluminum alloy<br><br>Package Contents: 1 x Rear Fork Axle Nut<br><br>Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.