LEGO Technic Lamborghini Sián FKP 37 has authentic features like the 8-speed transmission » Gadget Flow
6 speed gearbox – Dgustafsson13
How to make a gearbox in LEGO technic (5 Speed+Reverse) - YouTube
Never really built a gearbox before but knew the basics of a 2 and 4 speed boxes so i smashed them together and build this kinda small 8 speed gearbox : r/legotechnic
RD711 – Gearbox 4 Speed Small 1 – Bouwstone.nl
Decoding the gearbox of the LEGO Technic 42110 Land Rover Defender - RacingBrick
Lego Simple 2 Speed Gearbox | MOCHUB
Here's How A CVT Transmission Works, Using Only Legos