Feature 1Made of high quality steel, anti-rust and durable. 2Arch angle design, making the protector not easy to deform under strong impact force. 3The shape conforms to most mountain bike, provides effective protection for the rear derailleur, prevent derailment. 4A single fixed hole can be easily installed. 5Universal size is suitable for most MTB bicycles, road bikes, folding bikes.SpecificationFeatures: Made of high quality steel, anti-rust and durable. Arch angle design, making the protector not easy to deform under strong impact force. The shape conforms to most mountain bike, provides effective protection for the rear derailleur, prevent derailment. A single fixed hole can be easily installed. Universal size is suitable for most MTB bicycles, road bikes, folding bikes. Specification: Material: Metal Color: Black Quantity: 1 pcs Size: Approx. 11 x 5.5 x 4.5cm / 4.3 x 2.2 x 1.8in Weight: Approx. 72g Package list: 1 x Protective Guard for Bike Derailleur .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }