Shape: round Outer diameter (mm): 30 Height (mm): 15 Weight for one PCS (G): 14G / 16G / 18G [Note] Please check the model and part number before placing an order, preferably the car Vin number. Item Weight 1 Gram Product Weight 1 g Product Description 30 x 15 1 4g 16g 18g Clutch Variator Roller 400 500 50 0cc 700 700cc ATV UTV SCOOTER PARTSThe price is for 8pcs a set, the default rollers in the variator are 15g for 400cc and 18g for 500cc/700cc.Item number: RR3015Shape: roundOuter diameter(mm): 30Height(mm): 15Weight for one PCS(G): 14G/16G/18GYour support is our driving force, we will do better.