This is ARC A10-25 Aluminum Chassis 1.5mm.
The new 1.5mm aluminum chassis pushes the ARC A10 series touring car into a new generation, the chassis lowers all parts' height by 0.75mm, and the new chassis plate provides consistent flex without being affected by the air and track temperature.
Chassis slot for the motor is removed and it helps to make the flex more evenly.
The chassis weight is 84g, which is 12.5g heavier than standard carbon chassis.
| 
