Item information: 1. The upgrade parts are made of aluminum material by CNC processed, by adopting whole shaped technology, the products have the characteristic of high intensity and durability. 2. The aluminum wheel's hex is 17mm. 3. The aluminum wheel just olny fits the Losi Super  BAJA REY 2.0 1/6 original manufacturer's tires. 4. The aluminum wheel is easy to assemble without sticking glue. 5. 1pcs aluminum wheel weight: 240.8 grams.