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Posted

These start super easy, but the crank is shit for cleaning cause it doesn't lock into place. They start easier because they are cut with a dramatically different angle then Express screws, ect. Some kind of reverse angle thread that probably isn't as safe for falls either.

Posted

I'm just guessing but they've probably been replaced by this: HELIX

 

I think the americana and the new helix both used the same tube with the reverse threads as the tried and true 360. although it seems countrer intuitive, they say the reverse thread angle actually distributes the forces better than BD's standard threads, although i'm sure both work well and it's more a matter of personal preference and marketing BS

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