smallest tyres for 45mm rims?

mirley
mirley Posts: 3
edited September 2018 in MTB buying advice
I have some 27.5 x 45 rims and 3inch tyres on the bike I use for DH trails but feel the bike slipping out on burns because they don't dig in.
How thin a tyre can go on 45mm rims without pushing my luck?

Comments

  • robertpb
    robertpb Posts: 1,866
    So what are the tyres and what pressure are running them at.
    Now where's that "Get Out of Crash Free Card"
  • cooldad
    cooldad Posts: 32,599
    Or are they just rubbish tyres?
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  • mirley
    mirley Posts: 3
    No not rubbish tyres, they are just so wide that they don't dig in, they float on top so are easy to kick out.
    Think it would be worth thinner rims or can I get away with thinner tyres on 45mm rims
  • robertpb
    robertpb Posts: 1,866
    Seem to be a bit backwards in coming forwards with what they are and pressures.
    Now where's that "Get Out of Crash Free Card"
  • steve_sordy
    steve_sordy Posts: 2,453
    This is a guide to rims and tyres from Schwalbe.

    https://www.schwalbe.com/en-GB/reifenmasse.html


    When the link opens, click on "which tyre fits which rim?" and then page down to the chart.

    It looks like 70mm (2.76") is the smallest for a 45mm rim.
  • JGTR
    JGTR Posts: 1,404
    Same question, what tyres and pressure?

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