Very little clearance between tyres and mudguards, an issue?

daniel_b Posts: 11,762
edited May 2008 in Commuting chat

my gf fitted her mudguards yesterday and new tyres to her Ridgeback commuter.

We bought some 45mm sks full length guards.

I first realised clearance might be an issue, when I noticed the hole for the rear fitting at the top of the rear triangle, was vertical rather than horizontal.

We faffed about trying to fabricate a bracket, but once we had fitted the new tyres, it became clear that this threaded vertical hole was going to come in handy.

After marking the mudguard, it was duly drilled out, and then using the supplied nut it was secured directly to the bike.

However due to the depth of the nut head, it was rubbing the tyre!
A quick route around in the tolbox turned up a more svelte replacement, and it now spins freely.

The front was also as close fitting.

Is there any safety issue with having so little gap between guard and tyre?

On my subway, the room to fit guards is mahoosive, and these issues never cropped up!

Felt F70 05 (Turbo)
Marin Palisades Trail 91 and 06
Scott CR1 SL 12
Cannondale Synapse Adventure 15 & 16 Di2
Scott Foil 18


  • A - W
    A - W Posts: 253
    On my Sirrus the full SKS guards are really tight either side of the tyre, yet has a lot more room at the top. I think as long as there is some clearance then you should be ok.
    FCN 10
  • daniel_b
    daniel_b Posts: 11,762
    Thanks AW,

    it's lack of clearance alround really, but as the off road section she has to do is fairly hard packed, I'm thinking it should be ok.

    Otherwise will have to find some lower profile tyres, if there is such a thing......!
    Or fit some 26" wheels I guess, would that be a possibility?

    Next on the list is to replace the brake cables, and adjust them properly, and then need to sort the gears out, hopefully just a bit of adjustment required.


    Felt F70 05 (Turbo)
    Marin Palisades Trail 91 and 06
    Scott CR1 SL 12
    Cannondale Synapse Adventure 15 & 16 Di2
    Scott Foil 18
  • gs3
    gs3 Posts: 249
    As long as there's enough room for small stones etc to spin around between the guard and the tyre then there shouldn't be any problems.
    If taking to the muckier stuff off-road then it will could get clogged up causing drag and a bit of noise.
    You could always try using P-clips to make a horizontal mounting point if required. ... %20P-Clips

    Good luck.