• This topic has 7 replies, 5 voices, and was last updated 10 years ago by GW.
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  • What size C-spanner for DHX coil shock????
  • Premier Icon Dirtynap
    Free Member

    Hi all,

    I have lost my spanner for pre-loading the spring on my fox DHX coil shock. Can some tell me what size it is so I can go buy another one.

    Thanks

    Premier Icon steveh
    Full Member

    You shouldn't need a spanner to do it, hands only. You shouldn't have more than 4 turns of preload on the spring anyway.

    Premier Icon LoCo
    Free Member

    Steveh is right, any more than 4 turns and you run the risk of the spring becoming 'coil bound' bottoming out on itself (depending on weight/travel) before the shock bottoms out. This will quickly damage your shock, check your spring rate to see if you need a stiffer one to get the desired sag (25 to 33% of full travel usually)

    Premier Icon fivespot
    Free Member

    As both answers above. Turn the spring and collar together by hand, simples 😉

    Premier Icon Dirtynap
    Free Member

    I am 90kgs in my kit so according to spring calculators I need a 450lb spring with two full turns, which according to Fox is the max.
    TF say I need less then that though but still a 450 spring.
    When I measure the current sag its a bit more than 30% and ideally I want it at a bit below 30%.
    The problem is I have tendon problems in my left thumb and can't grip the ring well enough to turn it once its engaged with the pre-load ring. Hence I need a spanner.

    Premier Icon GW
    Free Member

    pipe grips will do it but will you be able grip them with your dodgy thumb?

    😕

    Premier Icon Dirtynap
    Free Member

    Ya spanners and alike are fine. never thought of pipe grips, duh

    Premier Icon GW
    Free Member

    oh.. and wrap a rag round the collar first.

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