[Racer26]

According to Mike Copioli (from CTRE) it means that the Talon SR will run cooler when stalling the motor. Aside from that, basically no practical difference. Technically speaking, Talon and Talon SR would behave differently when outside forces (like gravity, on a slanted surface) are contributing to the drive force. Mike says the difference in practice is negligible to non-existent.