Springs and rates etc

Discussion in 'General Bike Discussion' started by Disco Turtle, Oct 29, 2019.

  1. Disco Turtle
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    Disco Turtle Member

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    Have just ordered some new springs as per Sean's recommendation as to the supplier.
    The guy told me that the stock springs are a 5 -16, and the new ones they do are a 8-12.
    Now, my research gave me numbers like 0.55kg/mm, and 0.9kg/mm etc. How do the 5-16 and 8-12 fit in with this? How does it work?
  2. ottafish
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    ottafish Member

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    I got mine from racetech as they set them for my weight. I failed badly in maths, so let them figure it out..
  3. Disco Turtle
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    Disco Turtle Member

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    Yeah these ones are from Wilbers, and apparently suit from 70kg riders up to 130ish I think was the number I found somewhere. They are the same ones that Sean organised a bulk group buy for early last year. I know they'll be fine. Just wanting to understand the maths a bit more.
  4. jac
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    jac Member

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    What about for the heavier riders as i am over 130kg?

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  5. Hulk
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    Hulk Supporter Member

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    take the springs out and replace with 1 inch reo bar...:D
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  6. Disco Turtle
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    Disco Turtle Member

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    Just checked the numbers I found, and it's apparently 70kg to 140kg. He did give me the impression that they had options for those heavier than that, but he was easy to chat with on the phone if you wanted to call and ask about it.
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  7. jac
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    jac Member

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    That work alright for ya then hulk? Mate, i better go 2 inch reo bar just to be sure then hah

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  8. jac
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    jac Member

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    Right, just ordered the wilber front springs. Excited to get them on and compare the difference to standard one...

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  9. Disco Turtle
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    Disco Turtle Member

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    Did you get him to order them from the factory to get the 10% discount?
    Got mine for $180 delivered.

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  10. jac
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    jac Member

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    Anyone try and change your own front springs? If so, is it easy to do or anything to look out for specifically when changing them?

    Does font wheel have to be taken off? And is there any special tool required?

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  11. jac
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    jac Member

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    Yep, same here DT. Are you putting yours in or taking it to a mechanic?

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  12. ottafish
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    ottafish Member

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    If you're going to do the front springs, my theory would be to do new oil and seals at the same time.
    Purchase the oil and seals and take the parts & forks to a shop and get them to do the lot.
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  13. Disco Turtle
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    Disco Turtle Member

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    I'll have a look at how easy it is to remove the forks myself then take the forks, and new springs to a bike shop, and get them to change the springs, the oil, and the seals. then I'll refit the shocks to the bike. If it's too much mess around, I'll just take the bike to them.
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  14. Daisy
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    Daisy Member

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    Drop it in to the lads at road and river. They will sort you out...:bigthumbsup::beer:
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  15. Disco Turtle
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    Disco Turtle Member

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    Yeah that was my plan.

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  16. Hulk
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    Hulk Supporter Member

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    if your not sure about taking the forks off the bike don't even attempt to replace the springs. :doh::doh:
  17. steve M109 RZ
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    steve M109 RZ Supporter Member

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    It’s easy to change springs, I did mine ha ha. See if someone already has a tried and tested spacer size and oil level to pass on to the workshop saves a lot of time.

    I don’t have the spacer length for Wilber springs
  18. Hulk
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    Hulk Supporter Member

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    its easy for some but for those who are not mechanically minded or accident prone(Disco) then they may find themselves visiting the hospital with a mouth full of spring steel and a few missing teeth.:D:D
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  19. Disco Turtle
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    Disco Turtle Member

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    I'm accident prone???
    I have no intention of doing the springs myself. I MAY remove the forks, and just take them in.

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  20. SeannesM109R
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    SeannesM109R Staff Member Moderator Supporter

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    Ok, so I’m mechanically minded and do a lot of work to the bike, however springs are so much easier & faster to do with the right tools... Take my advise and take it to the shop.

    When you do the springs and seals, you can use a heavier weight oil, and change valves all this will improve the front suspension.

    Talk to the mechanic, he will point you in the right direction. I chose to do the springs, seals, and heavier oil, I didn’t do the valves.
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