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AMP rear suspension

tenbartenbar Posts: 94
edited August 2012 in MTB workshop & tech
Hi

I bought an old used full suspension bike on ebay a while ago which has an AMP rear suspension system. I have an issue with clunking (metal on metal) noises when riding over rough ground, coming from the spring assembly. Can anyone tell me how to get over this or the best way to set the spring tension up to stop it happening. Can the suspension be locked out to convert to hard tail?

cheers
tenbar

Posts

  • cooldadcooldad Posts: 32,599
    Horst Link?
    Some details might help, and pics.
    I don't do smileys.

    There is no secret ingredient - Kung Fu Panda

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  • tenbartenbar Posts: 94
    I'll post a pic in the morning.
  • benpinnickbenpinnick Posts: 4,148
    Sounds like your spring is bottoming out - You'll probably need to try and source a new one. Is it a B5?
    A Flock of Birds
    + some other bikes.
  • nicklousenicklouse Posts: 50,675 Lives Here
    5489548593_23271f861e_z.jpg
    bike1resize_130.jpg
    mintsauce_resze_570.jpg
    "Do not follow where the path may lead, Go instead where there is no path, and Leave a Trail."
    Parktools :?:SheldonBrown
  • tenbartenbar Posts: 94
    how do you add pictures stored on a pc to a post?
  • nicklousenicklouse Posts: 50,675 Lives Here
    tenbar wrote:
    how do you add pictures stored on a pc to a post?
    try reading the FAQs.
    "Do not follow where the path may lead, Go instead where there is no path, and Leave a Trail."
    Parktools :?:SheldonBrown
  • tenbartenbar Posts: 94
    does anyone know where I can get a new spring for the AMP rear suspension?
  • cooldadcooldad Posts: 32,599
    38645d8b.jpg

    Like that.
    I don't do smileys.

    There is no secret ingredient - Kung Fu Panda

    London Calling on Facebook

    Parktools
  • nicklousenicklouse Posts: 50,675 Lives Here
    looking at that pic it looks like that is not the original spring. and it looks too short.

    I would be on the phone to TF. Mojo. Loco or any other sus tuning guys to see who may have something to suit.

    Also ask on Retrobike.
    "Do not follow where the path may lead, Go instead where there is no path, and Leave a Trail."
    Parktools :?:SheldonBrown
  • YeehaaMcgeeYeehaaMcgee Posts: 5,740
    nicklouse wrote:
    bike1resize_130.jpg
    mintsauce_resze_570.jpg
    Well censored me, I never did know what full suss bike Mint was meant to be riding then.
    You learn something every day, eh?
  • ilovedirtilovedirt Posts: 5,798
    Aye, like nicklouse said, the spring looks too short. Sounds like it's getting coil bound (spring is reaching full compression before the actual shock does). Find out the stroke length etc and find a spring of the correct length and weight for you.
    Production Privee Shan

    B'Twin Triban 5
  • tenbartenbar Posts: 94
    sorry to sound stupid, but how do you find out the stroke length for the suspension and where can you get replacement springs from?
  • YeehaaMcgeeYeehaaMcgee Posts: 5,740
    Take the spring off, and measure how much the damper can move - that's the stroke length.
  • tenbartenbar Posts: 94
    thanks, and where can you get replacement springs?
  • nicklousenicklouse Posts: 50,675 Lives Here
    as said try calling TFtuned. mojo.loco or any of the other companies.
    "Do not follow where the path may lead, Go instead where there is no path, and Leave a Trail."
    Parktools :?:SheldonBrown
  • cooldadcooldad Posts: 32,599
    tenbar wrote:
    thanks, and where can you get replacement springs?
    nicklouse wrote:
    looking at that pic it looks like that is not the original spring. and it looks too short.

    I would be on the phone to TF. Mojo. Loco or any other sus tuning guys to see who may have something to suit.

    Also ask on Retrobike.
    I don't do smileys.

    There is no secret ingredient - Kung Fu Panda

    London Calling on Facebook

    Parktools
  • tenbartenbar Posts: 94
    cheers
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