- COMPATIBILITY: Designed specifically for Shimano-type wheels, this product ensures easy installation and removal with a reliable wheel tool. With an inner diameter of 34mm, it fits seamlessly into your setup. - CHAIN COMPATIBILITY: Supports 1/2"x1/8" chains. Equipped with 18 teeth, this component guarantees effective performance for a smooth ride. - HIGH-QUALITY MATERIAL: Constructed from high-quality hardened steel, this part is built for durability and longevity. Weighing only 179g (0.39lbs), it provides an ideal balance between strength and lightweight design. - SMOOTH PERFORMANCE: Features high-quality ball bearings that enhance rotation and provide effortless movement, contributing to a more enjoyable riding experience. Use Scenarios: 1. Ideal for cycling enthusiasts looking to upgrade or replace their wheel components for improved performance and reliability during rides. 2. Perfect for casual riders needing easy-to-install solutions for quick maintenance and repairs, ensuring minimal downtime on the road. 3. Suitable for competitive cyclists requiring precision and durability in their gear, allowing for consistent performance across various terrains. This product delivers the essential features and quality you need for optimal cycling performance while ensuring compatibility and ease of use.