Tyre pressure! (I know again)

brett7
brett7 Posts: 53
edited September 2009 in MTB general
I've just recently got back into riding after too many years and am very confused over tyre pressures. I'm riding an 09 rush carbon 4 with 2.2 Conti mountian kings, i've read 30/35 40/45 and loads in between? I mainly free ride/XC Any clues? Thanks......

Comments

  • nicklouse
    nicklouse Posts: 50,675
    whatever is right for you/your bike and the size of tyres.

    try searching as this is almost a daily question.
    "Do not follow where the path may lead, Go instead where there is no path, and Leave a Trail."
    Parktools :?:SheldonBrown
  • brett7
    brett7 Posts: 53
    Thanks... :)
  • warrerj
    warrerj Posts: 665
    How much do you weigh ?

    If it's any good to you I run my MK 2.2's at 35 psi (ish) and I'm 14.5st
    My ride :
    http://www.pinkbike.com/photo/2236156/
    http://www.pinkbike.com/photo/2236165/
  • brett7
    brett7 Posts: 53
    Thanks that helps im 15st. cheers.
  • Mr Rowlie
    Mr Rowlie Posts: 41
    I'd say between 30 - 40 Psi. Although its a very personal thing, just make sure you dont go too low as you'll get pinch flats.
  • fenboy369
    fenboy369 Posts: 425
    I'm 15 1/2 st, and run a Mountain King 2.2's at 32psi front and 34psi rear. I find that any lower I get loads of pinch flats, any higher they start to lose grip. Thats for Thetford Forest, playing on the Red Route and bombholes. I did take them up to Derbyshire and they didnt seem to cope too well with rocky desents. Got some Rubber Queens for that now!
    '11 Cannondale Synapse 105CD - FCN 4
    '11 Schwinn Corvette - FCN 15?
    '09 Pitch Comp - FCN (why bother?) 11
    '07 DewDeluxe (Bent up after being run over) - FCN 8
  • RealMan
    RealMan Posts: 2,166
    nicklouse wrote:
    try searching as this is almost a daily question.

    Hourly, you mean. :wink:

    I ran my 2.2 mountain kings at 25 ish most of the time, but you're almost double my weight, so 30-35 might be better.
  • brett7
    brett7 Posts: 53
    Thanks everybody some great advice. i've sgtarted at 35 front and rear and they seem fine. I might go up a little on the rear but i can't see it being more than 37.5psi. Thanks again.

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