![LEGO® Technic review: 42099 4x4 X-Treme Off-Roader | New Elementary: LEGO® parts, sets and techniques LEGO® Technic review: 42099 4x4 X-Treme Off-Roader | New Elementary: LEGO® parts, sets and techniques](https://1.bp.blogspot.com/-ZKKCv2jCZfI/XUG9fEr6cLI/AAAAAAAALmc/qnyWmZZQFYoljey4NkmmB_EzQI7STh0FQCLcBGAs/s1600/42099-12.jpg)
LEGO® Technic review: 42099 4x4 X-Treme Off-Roader | New Elementary: LEGO® parts, sets and techniques
![Planetary hub internals - LEGO Technic, Mindstorms, Model Team and Scale Modeling - Eurobricks Forums Planetary hub internals - LEGO Technic, Mindstorms, Model Team and Scale Modeling - Eurobricks Forums](https://www.eurobricks.com/forum/uploads/monthly_2020_11/YTLogoLQ.thumb.jpg.06840cfd41df7d71b75d8b6bb1d2f02f.jpg)
Planetary hub internals - LEGO Technic, Mindstorms, Model Team and Scale Modeling - Eurobricks Forums
![Planetary hubs from 42099 available directly from LEGO replacement parts, and cheaper than BrickLink! : r/legotechnic Planetary hubs from 42099 available directly from LEGO replacement parts, and cheaper than BrickLink! : r/legotechnic](https://i.redd.it/21wb1zum99b51.jpg)
Planetary hubs from 42099 available directly from LEGO replacement parts, and cheaper than BrickLink! : r/legotechnic
![Can I get some help figuring out the gear ratio for the plantery gears in wheel hub #4. I heard it was 5:1, but that did not seem to work. I only Can I get some help figuring out the gear ratio for the plantery gears in wheel hub #4. I heard it was 5:1, but that did not seem to work. I only](https://i.redd.it/vbob98doxu5a1.jpg)
Can I get some help figuring out the gear ratio for the plantery gears in wheel hub #4. I heard it was 5:1, but that did not seem to work. I only
![LEGO® Technic review: 42099 4x4 X-Treme Off-Roader | New Elementary: LEGO® parts, sets and techniques LEGO® Technic review: 42099 4x4 X-Treme Off-Roader | New Elementary: LEGO® parts, sets and techniques](https://1.bp.blogspot.com/-h50d3AFQTow/XUG9iRqg3TI/AAAAAAAALnE/r_7R5oKp1BoNWpGb-flL3XMQeqBc4FcSQCLcBGAs/s1600/42099-3.jpg)