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  • Rode the Brompton to work today and I'm considering chopping further the bars. I'm concerned about the greater leverage over the stem assembly and main frame with wider bars. I had chopped the last risers I used to the same O/A width than original Brompton bars. Wider bars today felt like they could ultimately amplify/accelerate steel fatigue, especially at hinges. I'm 95kg...

    Any thoughts / precedents on this?

  • Reckon you'll be fine, as long the bar diameter is correct for the Brompton's stem.

    You'd have a hard time trying to destroy the Brompton.

  • Its something they test at the factory. Hence why they didn't just put M bars on an S stem and call it the H type (although in the end that is sort of what they did). But they put that setup through a bunch of stress tests to see if it could handle the different loading.

    Its probably fine but if you'll not miss it I'd chop them.

    I've raised my bars a tad but with a stem raiser, rather than riser bars. Bit like this: http://www.thorusa.com/images/dahon/technical/aberhallo2.jpg (the black bit).

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