Color: As shown Name: Universal Chain Stabilizer Material: Nylon plus fiber + plastic Weight: Approximately 45.3 g Compatibility: Designed for bicycles with a 1x drive system and one-piece sprockets Specifications: 31.8–34.9 mm (1.25–1.37 inches), E-type installation Effective Chain Protection: Helps prevent chain drop and chain interference during riding. Provides reliable chain retention to reduce the risk of chain skipping. Essential Bicycle Accessory: Ideal for use with single-piece cassette systems to promote smoother drivetrain performance. Suitable for bikes with 1x drivetrains and one-piece sprockets. A practical component for improving bicycle functionality. Easy Installation: Simple to install without removing the crank. Adjustment can be made using a standard wrench. High-Quality Material: Constructed from durable nylon composite and plastic for lightweight strength. Resistant to wear and deformation. Fade-Resistant Finish: Features a black finish that resists fading and discoloration. The sleek black design is dirt-resistant and complements a variety of bicycle frame colors. Note: - Actual color may vary slightly due to differences in screen display. - For sizing assistance, please refer to product specifications. - This listing supports mixed orders of items, colors, and sizes. Package Includes: 1 x Bicycle Chain Guide