Proper mudguards fo...
 

Proper mudguards for 650b road?

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The missus has converted her old gravel bike to more of a winter road bike - basically by putting 650x43 slicks on instead of the 650x47 gravelkings it had previously.

What proper mudguards would fit that nicely? I've got chromoplastics on a couple of bikes with 700c wheels, which have been fine. The actual OD of the 650x43 isn't so different to my 700x28, but obviously a good chunk chubbier.

Thanks....


 
Posted : 01/12/2025 12:04 pm
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All fancy metal ones but Freshtripe have several 650b mudguards (they have a bit of a 650b thing going on for all stuff)

https://freshtripe.co.uk/accessories/mudguards/mudguard/650b/

SJS Cycles have Giles Berthoud, nice but fancy stainless steel.

https://www.sjscycles.co.uk/mudguards-full/?sizeproduct=650%20x%2040&sizeproduct=650%20x%2050

 


 
Posted : 01/12/2025 2:01 pm
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700C guards of differing section widths within a brand are all made to the same wheel radius curve afaia. So I've found 55mm section guard for 700C tyres tend to fit 650 x 47 to 50mm well. If you fit them carefully and rigidly a 50mm guard will cover 43mm tyres but the SKS style internal stay mounts eat into sidewall clearance, less rigid generally also - can be a PITA vs the external mounted U-shape type that VO and others use. 


 
Posted : 01/12/2025 4:06 pm
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I've just taken delivery of some Sonder Defenders on my new Camino, they seem pretty solid and come in two widths


 
Posted : 01/12/2025 4:47 pm
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I have SKS Bluemels on my Van Nicolas Amazon. The 53mm  work equally well with the 650x47 and 700x40 tyres I use. 


 
Posted : 01/12/2025 6:14 pm