The Bicycle Metal Derailleur Protector is a high-quality accessory designed to provide effective protection for the rear derailleur of your mountain bike. It is specifically shaped to fit most mountain bikes and ensures the safety of your riding by preventing distortion or displacement of the derailleur when riding. It can also be used to protect the rear derailleur in case of tripping, making it a reliable accessory.The protector features left and right wings slots, allowing for fast and secure installation on the frame with the aid of the frame. It has a single fixed hole for easy installation. Made of aluminum material and designed with an arch angle suppress, the protector is resistant to deformation even under strong impact force, effectively safeguarding the rear derailleur.The Bicycle Metal Derailleur Protector is suitable for most MTB bikes, road bikes, and folding bicycles. It comes in a universal size and is available in black. The dimensions of the protector are Length: 77mm, Width: 52mm, and Height: 35mm. Please note that there may be slight differences in color and details due to different production batches or lighting conditions, but rest assured that this will not affect its functionality.Thank you for your positive feedback and support. Buy the Bicycle Metal Derailleur Protector now and ensure the safety and longevity of your rear derailleur. The package includes 1 Bicycle Rear Gear Derailleur Protector.Key Features:High-quality and durableEffective protection for rear derailleurEasy installation with left and right wings slotsResistant to deformation under strong impact forceUniversal size suitable for most MTB bikes, road bikes, and folding bicyclesAvailable in blackDimensions: Length: 77mm, Width: 52mm, Height: 35mmPackage includes 1 Bicycle Rear Gear Derailleur Protector