LEGO MOC 4-speed sequential gearbox by Whathetech | Rebrickable - Build with LEGO
LEGO MOC 4-speed automatic gearbox by kueden | Rebrickable - Build with LEGO
RD711 – Gearbox 4 Speed Small 1 – Bouwstone.nl
LEGO MOC 4 Speed Sequential Gearbox by michaelslegostudio | Rebrickable - Build with LEGO
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
Lego Technic 4 Speed Gearbox | Lego Technic Gearbox Set | Lego Gearbox Clutch - Moc - Aliexpress
LEGO 5 Speed + Reverse Manual Gearbox - 20% OFF – Green Gecko Workshop