Big Bertha is an Estes original

4 x 5mm LED holes

Castle Sensor Harness Adapter

This is a special edition of the R/C Mercedes Benz Arocs tipper truck kit (Item 56357)

System: T-FHSS (auto detection) w/ SBUS2 port

Team Associated - Factory Team 12mm V2 Shock Pistons, 2mm, 2x1.6mm Corally Big Bertha is an EstesFactory Team introduces this tuning option for off road 12mm shocks. The 2mm thickness V2 shock pistons decrease damping and pack compared to their standard 2. 5mm thickness kit counterparts. Keeping the same 2 hole valving, the shorter thickness piston allows for faster fluid flow, and less pack (pack = increased rate of resistance) while the shock takes fast impacts from jumps and bumps. This results in a small shift, giving the car more traction