This is the GPM Racing Traxxas aluminum rear L-shape spring damper (139mm).
This product includes :
Rear Spring Dampers-2pcs
Product major function & usage:
Reduce the friction and absorb the pressure during driving so that the vehicle can balance better.
1. The coil is thickened from 1.8mm to 2mm to provide more power (origianl spring can also fit if a less hard spring is needed).
2. Damper shaft is thickened from 3.5mm to 5mm in order to be more sturdy and prevent bending.
3. Aluminum damper cylinder is light and sturdy, spring retainer is tightly sealed to prevent oil leaking.
4. L-shape piggy back reservoir extends the travel of the oil which can help to smooth out the drive with better performance.