Description:It is an unique and practical rear derailleur with the features of simple structure, easy installation, big wheel, low noise and beautiful appearance.With 7-8 speed rear positioning, the rear derailleur can shift to precise and reliable speed change.Made of high-quality iron and plastic material, the product is durable and has a long service life.The length of rear derailleur is 12.5cm, the width of rear derailleur is 9cm and the height of rear derailleur is 8cm.It is suitable for mountain bikes and it is an important accessory for your bike.Item Name: DerailleurMaterial: Plastic,IronSpeed: 7-8Compatible Gears: 32T MaxSize Details: 12.5cm x 9cm x 8cm/4.92" x 3.54" x 3.15" (Approx.)Notes:Due to the light and the screen setting difference, the item's color may slightly differ from the pictures.Please allow slight dimension difference due to the manual measurement.Package Includes:1 x Derailleur