Discover the upgraded LEGO Technic 9-speed gearbox transmission with a gearshift knob for smooth and precise shifts! This design eliminates the need for manual force, enabling seamless gear changes. Watch how each gear transition works in action, demonstrated step by step.
Check out the previous version of this gearbox here: https://youtu.be/v8DE_3M1T1s
0:00 9-Speed Gearbox Overview
0:10 Changing Speeds
0:30 Changing Speeds (one more angle)
0:44 Changing Speeds (quick)
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