Protects your bicycle rear derailleur from damage Suitable for most MTB bikes, road bikes and folding bicycles Convenient and practical to use Durable Material: Stainless steel Color: Black Diameter of rod: 1cm/ 0.4in Dimension: 11.5 x 5.0 x 2.5cm/ 4.5 x 1.9 x 1.0inPackage includes: 1x Rear Derailleur Protector