or the on board battery voltage become too low

which uses a tough bathtub frame plus front/rear gearboxes with suspension attached

4V 2S LiPo Battery with T-plug Features:

combine to deliver long flight times of up to 20 minutes

Fits all RC10B64 series vehicles

Power Hobby - Aluminum 51mm Long Travel Shocks, Black, for Traxxas TRX-4M COR00474-R or the on board batteryAluminum Damper for the Traxxas TRX 4M. These shocks are friction damped. They include a machined reservoir shock cap for realistic scale looks. Required to Complete: Shock oil Includes: Four (4) shocks Four (4) soft springs Four (4) Med Spring Eight (8) M1. 4x8 cap head screws Features: Machined aluminum construction Telescopic design for maximum travel Threaded shock bodies for quick pre load adjustments Two spring rates included Pre Assembled Just