![12che 113Pcs Compact Manual Electric 6 Speed Synchronous Gearbox Buliding Kit MOC Transmission Booster Kit with M Motor for Lego Technic Car : Amazon.co.uk: Toys & Games 12che 113Pcs Compact Manual Electric 6 Speed Synchronous Gearbox Buliding Kit MOC Transmission Booster Kit with M Motor for Lego Technic Car : Amazon.co.uk: Toys & Games](https://m.media-amazon.com/images/I/51sTBvPgxCL._AC_UF894,1000_QL80_.jpg)
12che 113Pcs Compact Manual Electric 6 Speed Synchronous Gearbox Buliding Kit MOC Transmission Booster Kit with M Motor for Lego Technic Car : Amazon.co.uk: Toys & Games
![LEGO MOC Lego Technic lockable automatic two speed gearbox [with free instructions] by SJ_LegoFan | Rebrickable - Build with LEGO LEGO MOC Lego Technic lockable automatic two speed gearbox [with free instructions] by SJ_LegoFan | Rebrickable - Build with LEGO](https://cdn.rebrickable.com/media/thumbs/mocs/moc-42462.jpg/1000x800.jpg)
LEGO MOC Lego Technic lockable automatic two speed gearbox [with free instructions] by SJ_LegoFan | Rebrickable - Build with LEGO
![10 Speed Sequential Gearbox with Park and Reverse - LEGO Technic, Mindstorms, Model Team and Scale Modeling - Eurobricks Forums 10 Speed Sequential Gearbox with Park and Reverse - LEGO Technic, Mindstorms, Model Team and Scale Modeling - Eurobricks Forums](http://www.brickshelf.com/gallery/gtahelper/Technic/LC500/4_996_gearbox.jpg)
10 Speed Sequential Gearbox with Park and Reverse - LEGO Technic, Mindstorms, Model Team and Scale Modeling - Eurobricks Forums
![I built a 4-gear transmission with an integrated stepper mechanism. It fits in about the same space as the sian : r/legotechnic I built a 4-gear transmission with an integrated stepper mechanism. It fits in about the same space as the sian : r/legotechnic](https://i.redd.it/i-built-a-4-gear-transmission-with-an-integrated-stepper-v0-7w9ziinhibr81.jpg?width=4000&format=pjpg&auto=webp&s=86c8aad8050c14f6483f136aa0ce5a4e2563196b)