High-quality Titanium Antiroll bar Ball , increased lines and two sets of holes at the antiroll bar ball bottom, 1.3mm and 1.4mm, make it easier to install and adjust the position of the antiroll bar balls. Titanium Antiroll bar Ball greatly reduce the weight compared with Alum. Antiroll bar Ball,excellent durability, corrosion resistance and toughness, improve the model car handling performance and acceleration,giving your model car competitive edge on the track.