the MA chassis features a 3

GS01 Machined M3 44mm Upper Link (2) (Silver)

this one includes the PASS (Pilot Assist Stability Software) system

2 & 3 Cell compatible

Rage R/C - AeroBoard RTF, Skater HPI105502 the MA chassis features aThe AeroBoard RTF (Ready to Fly) is the next step in micro flying fun from Rage RC! The AeroBoard offers a 6 axis gyro control system that provides amazing stability and the Auto Take Off and Land and Altitude Hold features make it easy for new pilots to learn to fly. The AeroBoard also offers 3 distinct flying rates to fit the skill level of any pilot. This feature allows new pilots to increase the speed and agility of the aircraft as their skills