1.The upgrade parts are made of aluminum material, parts processed by CNC machine tool are very precise , by adopting whole shaped technology, the products have the characteristic of high intensity and durability.

2.The Aluminum Inner&Outer Lock Rings only fit the E-VIRATRUE original manufacturer's Aluminum Wheels For Axial RYFT RBX10 1/10 Scale Rock Bouncer  original manufacturer's tire&PRO-Line tire, the tire size: 2.15 x 5.75-2.2, part#10132.