• Oh wow, those are crazy low numbers. What size tyres are running 14/17psi?? And er... if you dont mind me asking, what do you weigh?

    I'm relatively late to the tubeless party having only converted last summer. I'm still experimenting with just how low I can go. Of course rider weight plays a part in the lowest pressures you can get away with, I've put on a bit of furlough weight and sit around 95kg kitted up.

    25psi feels like as low as I dare go in the rear right now. Don't have any inserts yet but wondering if cushcore etc really would allow me to run much lower. My rims also have a lifetime crash replacement policy so I'd like to see if I could get away with much lower than 25psi and relish in the extra grip?

    Anyone at or around my weight running super low pressures in 27.5 wheels?

    Edit - should have said I'm running a set of 2.35" tires on one bike and 2.5" on another

  • 20 psi with cushcore xc insert on 29x2.35 at 100KG kitted weight. Seems fine. On 29x3 I run 8 front, 9 back with no inserts.

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