Torque up gears are awesome. The make the trigger so much more responsive, especially when combined when a high torque motor. And it doesn't make a huge difference to the rof either. My MP5 shot 12.5 BB/ sec with the standard ratio gears. It shoots 11/sec with the torque up gears. That's a win-win situation if you ask me. I'll never use standard gears again.
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