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  • Hello mudguards specialists, just a quick question that certainly might have already been adressed but I am not sure I am able to find answers. I know that it will always be bodged or far from ideal, but is really dumb to conceive mounting mudguards on a frame that is not made to receive them?
    To be precise, I converted a more or less old (80's or 90's maybe) road bike to 650B to have a little more room for bigger tire for comfort, and the bike feels really great now.
    However, the aim of this conversion was to have more clearance (700x26 was the max possible) thus clearance especially on the fork is far from huge.
    I was trying to think about a way to mount stainless steel mudguards but I think this might not work ; is someone on here managed to mount metal fenders (650Bx40 from GB for example) on which they trimmed the edges of the mudguards just where it comes under the fork to allow sliding it into place, without creating any major stress risers etc? I thought maybe if it is trimmed in width under the fork crown with a dremel properly with round edges, and maintained in place with two set of stays to reduce constrains on the fork mounting area this could potentially work, maybe even sith a reinforcement with metal sheets on the fork mounting area, but I doubt it.
    Anyone managed to do something similar?

  • I did similar, trimming side sections out of a plastic and alloy front guard to fit it through a fork, and eventually it snapped at the place I'd trimmed it (so right underneath the crown). If you can support the front section of it another way, with a stay forward of the fork (mine is now attached to the basket above it it!) or something that might be stronger.

  • Yes that is what I thought, have a set of stays towards the rear of the fork as usual but add a set of stays towards the front of the fork to support the muguard better an limit flex that might induce cracks where it would have been made slimmer/weaker

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