Description GPM Racing - AXIAL Racing - RBX10 RYFT - RBX130F Aluminum Front Spring Dampers (130mm) 2pc set This product includes :Front Spring Dampers-2pcsOriginal Name / Part No:AXI233023Part location:Front damper area Product major function & usage:Reduce the friction and absorb the pressure during driving so that the car can be more balanced.Is this part adjustable? YESHow: Adjust the top spring retainerPurpose: To adjust the hardness of the spring damper1. The coil is thickened from 1.3mm to 1.4mm to provide more power (users can still use original spring as optional).2. Shock shaft is thickened from 3.0mm to 4.0mm in order to be more sturdy and prevent bending.3. Aluminum shock cylinder is light and sturdy, spring retainer is tightly sealed to prevent oil leaking.4. Two-section spring design avoids bending due to long-term compression.5. Silicone oil is filled with smooth travel.6.Aluminium 6061 T6 is a light material anodized for longer durability, corrosion resistant and aesthetics. It has a high tensile strength for greater durability when doing extreme RC action7. Two long hollow ball 9.5