Viewing 40 posts - 1 through 40 (of 57 total)
  • What psi for llandegla
  • bikemanspen
    Free Member

    Pretty much as the title says I’m on a hard tail with 100mm forks.

    Thanks Ben

    tomhoward
    Full Member

    700, maybe 701.

    roadie_in_denial
    Free Member

    Is this a serious question? If so it’s worse than the ‘what tyres’ threads.

    Anyway, assuming it’s not. Depends. Depends on how heavy you are, the geometry of the frame, the tyres you’re using, the rubber compound in said tyres, whether you’re using a 26 or a 29er or something else (shudder) the moisture content of the ground and atmospheric pressure. And that’s just off the top of my head.

    Start at 35psi and if that’s too soft and the bike feels ‘squirmy’ put some more in, if you’re finding the bike loosing traction on climbs and corners etc, take some out.

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    bikemanspen
    Free Member

    Not 699.

    It was a serious question

    TooTall
    Free Member

    Go somewhere quiet and have a word with yourself. Please.

    tomhoward
    Full Member

    Nah I tried 699, kept getting pinch punctures. Maybe if you went tubeless.

    bramblerash
    Free Member

    try starting at 1 and ride it for a couple of miles if thats too soft put another 1 in and ride for another couple of miles, repeat until darwin takes over

    bikemanspen
    Free Member

    You guys are very very funny. It was a question that I was expecting a proper answer too I received one thanks guys.

    nickjb
    Free Member

    try starting at 1 and ride it for a couple of miles if thats too soft put another 1 in and ride for another couple of miles, repeat until darwin takes over

    That’s silly. You’d have to keep pumping all the way round. Start at 2000 then let 1 out every mile. That way you can leave your pump in the car.

    Tom-B
    Free Member

    27.86

    higthepig
    Free Member

    That’s silly. You’d have to keep pumping all the way round. Start at 2000 then let 1 out every mile. That way you can leave your pump in the car.

    That’s silly, because if you puncture, you won’t be able to blow it up again.

    I’ve used 32.77935471 in the front and 34.98365 in the rear before, HTH.

    shifter
    Free Member

    2.5 baaaaaaa

    st
    Full Member

    Some, if that’s not enough then some more, if it’s too much then a bit less…

    Seriously, come on now.

    james
    Free Member

    “It was a question that I was expecting a proper answer too “
    Probably because you asked specifically about Llandegla

    If you’d asked what psi for mountain bike trails or something you might have got more useful replies
    Also if you’d said what you currently use

    remoterob
    Free Member

    If it’s Giant or Specialized, then your bike isn’t compatible with the PSI standard.

    calumf50
    Free Member

    Measure the radius of your wheel, then times it by the circumfrence and finaly divide it by two and you should be somewhere near…

    reedspeed
    Free Member

    issit a right or left handed pump ?

    Rorschach
    Free Member

    Which section?

    higgo
    Free Member

    It was a serious question.

    No, it wasn’t.

    If you were serious when you asked it, you are very silly.
    Because this is a very silly question.

    Rorschach
    Free Member


    ?

    neilsonwheels
    Free Member

    Hardtail 35
    Bouncy 40

    curvature
    Free Member

    Start at 5psi and gradually increase until your rims stop scraping on the ground 😀

    nmdbasetherevenge
    Free Member

    😆

    DrP
    Full Member

    O
    M
    G

    DrP

    steve_b77
    Free Member

    Bit more than if you we’re riding round a shop but not as much as a bmx

    Mintman
    Free Member

    Perhaps there’s a niche for an app that appeals to the psi-conscious. I’d call it iPsi and it would predict tyre pressure based on gnar rating, suspension travel, rider weight, location and environmental conditions.

    wolly
    Free Member

    It should feel more like an orange than an apple

    franksinatra
    Full Member

    Try and be more helpful chaps. No good suggesting tyre pressure and not even stating whether that pressure is on a cold tyre or one that has ben running a while.

    The perfect pressure is midway between too soft and too hard on the scientific squeeze test using perfectly calibrated fingers.

    jools182
    Free Member

    I pump em up until I can squidge them just enough with my finger and thumb

    robhughes
    Free Member

    I recommend 50 bar minimum.Your should be fine… 😉

    tthew
    Full Member

    If it’s Giant or Specialized, then your bike isn’t compatible with the PSI standard.

    Obviously! So I run between 30 and 35 bar on my Anthem when at Llandegla. Everywhere else, it’d be more like 35 down to 30.

    tomhoward
    Full Member

    Perhaps there’s a niche for an app that appeals to the psi-conscious. I’d call it iPsi and it would predict tyre pressure based on gnar rating, suspension travel, rider weight, location and environmental conditions.

    Ah’m oot.

    Op, what you gonna go for?

    shifter
    Free Member

    How would one pronounce iPsi?

    franksinatra
    Full Member

    Stop taking the psi out of him.

    Mintman
    Free Member

    How would one pronounce iPsi?

    Steady on, I’ve only just thought of the idea let alone how to pronounce it!

    jes
    Free Member

    35 psi then +/- 5 psi depending how things feel, rider weight, tyres etc.

    Just don’t go too low on the stony bits to avoid pinch flats 🙂

    nealy
    Free Member

    42…obviously

    ampthill
    Full Member

    My serious answer….

    The same psi as your last off road ride

    Or 30 psi

    But for future reference its not really a question that anyone else can answer without alot of imfo’

    JohnClimber
    Free Member

    Does Ben want the psi of the air in his forks as well?

    steve_b77
    Free Member

    Eye siy

Viewing 40 posts - 1 through 40 (of 57 total)

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