Features: Brand new and high quality Enhances your biking experience with the bike single disc chain guide protector. Say goodbye to chain jump and ride confidently. Crafted from durable aluminum alloy and nylon, this chain guide ensures a secure chain performances without adding additional weight. Suitable for all cyclists, this chain guide is designed to fit various bikes and riding styles. Perfect for different riding environment, such as city street and road trails. Maintain a stable chain even on challenging terrains. Upgraded your bike setups with the bike single disc chain guide protector. Keep your chain in place and ride with confident. Specifications: Material: Aluminum Alloy, Nylon Color: As The Picture Shows Package Weight: approx.45g Size: approx.7x4.8cm/2.75x1.88in (More Size Detail, Please See Photo.) Package Includes: 1Pc Bike Chain Tensioner note: Please allow 1-2cm error due to manual measurement. Please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks!