Features: Universal Compatibility: This mountain bike chain tensioner is designed as a universal bicycle chain fixing device, suitable for both road bikes and mountain bikes, making it an essential bike accessory for all cycling enthusiasts. Enhanced Chain Stability: Our mountain bike chain stabilizer tensioner effectively reduces chain slack and prevents drops, providing a smoother and more reliable ride on rough terrains and trails. Ideal Cycling Gift: Practical and thoughtful, this bike chain fixing tool is the perfect gift for cycling enthusiasts, helping them maintain their bike's performance and enjoy a safer riding experience. Easy Installation & Use: The universal mountain bike chain tensioner is user-friendly and tool-free in most cases, allowing for quick installation and making chain maintenance simpler for riders of all skill levels. Intimate Service: We are committed to providing customers with high-grade after-sales service. Whether you have any questions, you can contact us, and we will solve them for you until you are satisfied. Specifications: Material: Aluminium Alloy Size: 16*5.7cm Note: Due to the screen lighting effect, the actual color of the product may be slightly different. Due to manual measurement, please allow size error. Include: 1*Bike Chain Fixing Tool