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This is my first post and my first LEGO set.

I recently built LEGO Bugatti Chiron with all the features working.

I am however having an issue with the rear axle/wheels.

The rear brake calipers fall off and touch the alloy itself. Also, one of the gears falls out if I push the suspension too hard!

Close up of rear brake and suspension

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    Welcome to Bricks.SE! Bugatti Chiron is pretty big set and contain a lot of gears. Could you post a picture of the gear you have trouble with? In case it is hard to take picture of that particular location, perhaps referring to certain step in instructions could be beneficial to address your issue.
    – Alex
    Nov 19, 2021 at 6:02
  • Should that be "red brake calipers" instead of "read break calipers"? Or better still "rear brake calipers". And also "rear axle/wheels" instead of "real axle/wheels" Dec 3, 2021 at 6:39

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According to what you are saying, I think the best choice you have is to replace the "yellow" suspension to the "grey" suspension. Moreover, you can also put a cardan to reduce the axe's friction. if that doesn't work, you could try to change the frames situation.

If there's no way to do it, you could try sending your post to LEGO assistance service, they might help you.

Hope it works!!

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    Could you elaborate a little on your details please. What does "yellow/grey suspension" mean? What pieces do have in mind when saying "put a cardan to reduce the axe's friction"? "change the frames situation" doesn't make any sense either.
    – Alex
    Dec 2, 2021 at 13:01
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    Welcome to Bricks.SE! I get the feeling that you are proposing modifications to improve the base model, whereas OP is asking for troubleshooting assistance to build it as it was intendend to function. Am I right in interpreting your intention?
    – zovits
    Dec 2, 2021 at 13:32

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