- Light Weight: only weighs 3.7g compared to the stiff V3 version which weighs 4.1 g
- Battery Holder Location: the battery holder location is also changed to a bit higher, enabling pilots to do perfect acro manuver.
- Support Struts are strengthened to prevent them from being broken after a harsh crash.
- Flexiblility: Beta65S V4 frame is far more flexible than the stiff V3 guy.
- Canopy Mounting Pegs: some guys have complained about the missing canopy mounting pegs on V3 frame. The V4 version has been added the pegs again. So now just place the Tiny Whoop canopy and rip it.
- LED Holder: Redundant design of the LED holder is removed in the V4 BETA 65S frame.
Beta65s Frame V4