LEGO MOC 8-Speed manual gearbox by Whathetech | 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 Six-Speed Gearbox
LEGO MOC Gearbox 6 speed N+R by JaapTechnic | Rebrickable - Build with LEGO
Quick Build – 2-Speed Gearbox with Reverse! - LEGO® Technic™ Videos - LEGO.com for kids
LEGO MOC sequential gearbox 6 speeds + R + N by TechToth | Rebrickable - Build with LEGO
LEGO Technic 5+R Speed Transmission Gearbox -car truck NXT EV3 - new parts | eBay
Gearbox Moc Building Bricks Parts | Lego Technic Engine Gearbox - V16 6 Moc Building - Aliexpress