Color as shown Name: Universal Chain Stabilizer Material: Nylon plus fiber + plastic Weight: Approximately 45.3 g Compatible: Fits bikes with 1x drive system for one-piece sprockets Specifications: 31.834.9 mm / 1.251.37 inch installation, E-type installation Effective chain protection: The chain guide helps prevent the chain from falling off and reduces chain interference during riding. It effectively minimizes chain drop and chain skipping. Necessary bicycle tool: Designed for single-piece flywheels to promote smoother drivetrain performance. Compatible with bicycles featuring a 1x drive system and one-piece sprockets. A practical accessory for cyclists looking to enhance their bike's reliability. Easy to install: No need to disassemble the crank. Simply adjust using a wrench for quick setup. Premium material: Constructed from high-quality, durable nylon composite material. Lightweight, wear-resistant, and resistant to deformation. Fade-resistant finish: The chain guide features a black surface that resists fading. The sleek black design is dirt-resistant and complements bicycles of various colors. Notes: 1. Due to variations in computer monitors, the actual color may differ slightly from the image shown. 2. If you have questions about sizing, please reach out for guidance. Recommendations are provided for reference only. 3. Mixed item, color, and size orders are accepted. Package includes: 1 pc Bicycle Chain Guide