Feature: 1. COMPATIBILITY: Designed to replace 10 inch wheels rim hub for Monkey Z50 Q50 mini bike, this wheel rim hub can be installed on front or rear wheels. It is compatible with 2.00-10 or 2.50-10 tires. 2. ALUMINUM ALLOY CONSTRUCTION: The wheel rim hub is made from high hardness aluminum alloy, meticulously polished for a sleek and stylish appearance. Its surface is treated to prevent wear, ensuring longevity in outdoor damp environments. 3. ENHANCED PERFORMANCE: By upgrading to the trail bike wheel rim hub, you can optimize the bike's performance, appearance, and durability. Its lightweight construction, making it a superior choice for enhancing the riding experience. 4. LIGHTWEIGHT DESIGN: The aluminum alloy wheel rim is lightweight, reducing the overall weight of the bike and decreasing tire wear, which ultimately saves fuel consumption. This feature enhances the bike's performance and efficiency. 5. PREMIUM REPLACEMENT PART: This wheel rim hub serves as an ideal replacement for the original rusty and worn out hubs on the bike, delivering a new look. It offers a dependable solution for upgrading the mini bike's wheels. Specification: Item Type: Front and Rear Wheel Hub Material: Aluminum Alloy Location on Vehicle: Front Wheel, Rear Wheel Fitment: Replacement for Monkey Z50 Z50J Z50R JC Mini Trail Bike Tire Compatibility: can be installed with 2.00-10 or 2.50-10 tires. Package List: 1 x 10in Wheel Hub Note: Please check the size before purchasing and make sure it is what you need.