HL1474X A super cool accessory for your bicycle Let your bike has a similar look and sound as a motorcycles Material: Plastic Length: About 34 cm Diameter: 8 cm Accessories: Sticker， tools， exhaust pipe， 3 x motocards Package Details Weight: 479.36 g Size: 34.5*17*9 cm Package Includes * Plastic Bicycle Turbine Exhaust Pipe