Features:Suitable for mountain bikes/bikes/road cars/folding cars.The shift line is usually made of metal alloy.Material: aluminum alloyColor: BlackSize: 120mm*75mm*30mm/4.72*2.95*1.18''Net weight: 260gSpeed:3/9SpeedNotes:Please allow 1-3mm differs due to manual measurement.Due to the different display and different light, the picture may not show the actual color of the item.Thanks for your understanding.Packages:3/9speed Derailleur(with Inner Cables)