niklasvm Posted July 11, 2010 Share HiI got a new Giant Terrago mtb about 3 months ago. I've done about 700km on it and taken it through all different terrains, mud, rain, etc. Yesterday on a rainy ride my fork locked out and would not compress anymore. Th funny thing though is when I brake the shock compresses quite easily, just not when going over bumps or when I put weight on it. Lets just say the ride was a lot rougher than usual. Does anyone have an idea on what could cause this? Is it possible for the locking mechanism to fail? Or can this happen if dirt or water gets in? Thanks in advance. Link to comment Share on other sites More sharing options...
Mecnic Posted July 11, 2010 Share What fork is it? Brand and model? Link to comment Share on other sites More sharing options...
stewie911 Posted July 11, 2010 Share I don't understand how it's locked when you put weight on it, but it compresses when you brake? Surely you use more force when you put weight on it? Or let's wait to see what fork Link to comment Share on other sites More sharing options...
niklasvm Posted July 11, 2010 Share Suntour XCR-LO I know it doesn't make any sense, the only thing i can think of is that its the different force that act on it when you brake to when you use it normally. Link to comment Share on other sites More sharing options...
Mecnic Posted July 11, 2010 Share Suntour fork's dampeners are sealed cartiridges It could be blown or the bushes could be dirty I'd say take it to a shop and have them look at it Link to comment Share on other sites More sharing options...
Christopher Brunsdon Posted July 11, 2010 Share Sounds like dirty bushes, same problem I had on my bike - SUNTOUR-V2. Your fork is just one up on mine. After I cleaned the bushes, no more problems for quiet some time, but I must say that my fork is no longer in a happy state (no more trails for now) and am replacing mine. Link to comment Share on other sites More sharing options...
Turbobok Posted July 11, 2010 Share A friend of mine has an XCR, and just about every time it gets wet he has to service it, because it locks up solid. It's become so bad he has bandages around the stanchions as a temporary method of keeping it dry, which seems to work for him - student budget preventing an upgrade! However, I don't understand why braking would cause it to compress rather than putting your weight on it. Link to comment Share on other sites More sharing options...
niklasvm Posted July 11, 2010 Share thanks for the advice. has anyone else got experience with this fork? Link to comment Share on other sites More sharing options...
Christopher Brunsdon Posted July 11, 2010 Share Check if you have some play on your shock. Could be that the stanchions are worn. But also service them yourself first to check what dirt has cacked on the inside (talking from experience with mine). Link to comment Share on other sites More sharing options...
niklasvm Posted July 13, 2010 Share ok so I took the bike in yesterday and the technicians said they've never seen a fork do this before. They're sending it back to the factory. The fork does come standard on many bikes so hopefully it was just a once off problem Link to comment Share on other sites More sharing options...
Mojoman Posted July 13, 2010 Share Its always comforting to hear the 'I have never seen this before' comment! Link to comment Share on other sites More sharing options...
Christopher Brunsdon Posted July 13, 2010 Share Its always comforting to hear the 'I have never seen this before' comment! Agree, they probably mumbled to themselves: "I've never seen this before, look at its condition, the last dozen where totally screwed compared to this one " Link to comment Share on other sites More sharing options...
niklasvm Posted July 19, 2010 Share Got the bike back after fork was sent away. Its fixed now but the manufacturer didn't give a reason. At least its working again. Link to comment Share on other sites More sharing options...
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