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This is the result of optimizing the gearbox of 42083 Bugatti Chiron.

This MOD is based on ideas shared on eurobricks.com.

Many thankx to @Didumos69 for this great contribution!

The optimized gearbox needs some minor changes in the chassis to fit in, but at the end you will get these features:
- blocking gear switch to 1-8 (not round robin)
- less friction in the gearbox (by leaving out 2 gear meshes compared to the stock build)
- clean design
- less parts

You will find step-by-step building instructions here: Chassis+Gearbox.pdf

BI Gearbox.jpg