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Clicky Steering

  • 07-11-2012 4:57pm
    #1
    Closed Accounts Posts: 1,268 ✭✭✭


    Funny thing has been happening recently on my Focus Cayo. The steering is 'clicking'. By that, I mean that it when the wheel is nearly dead straight, it will 'click' into the straight position. It's as if there is a notch somewhere in the steering column. If I'm walking the bike and pushing it by the saddle, it will take a bit of a waggle to unstraighten the wheel so I can turn it. If the wheel is turned and I push it lightly towards centre, it will 'click' into the straight position once I'm within a couple of degrees of straight. I feel the click when I push it the far side of straight.

    I haven't heard it, it's a tactile click. It isn't a very strong click and while I think I have noticed it while cycling, it hasn't caused any problems. That said, I am very conscious of it in any very fine tuned manoeuvres - e.g. avoiding car mirrors at slow speeds at traffic lights.

    It started happening shortly (immediately??...not sure) after a shop did a job on the front derailleur hanger for me. They replaced the derailleur cable and housing as part of the job. Initially, I thought the new housing was stiff or catching somewhere, but I think I can disregard that having had a look at it.

    I haven't adjusted a headset or forks before so I don't know if the problem is likely to be there or if it's something else. Any suggestions?


Comments

  • Registered Users, Registered Users 2 Posts: 9,152 ✭✭✭Tenzor07


    Headset bearings


  • Moderators, Politics Moderators, Sports Moderators Posts: 24,269 Mod ✭✭✭✭Chips Lovell


    Yep, that would be my first thought too.


  • Registered Users, Registered Users 2 Posts: 4,076 ✭✭✭gman2k


    Used to be more common on threaded steerers, where the headset was overtightened so the bearings could be felt when steering.
    I'd strip out the heaset, check for grit etc and any visible probs with the seals etc, regrease and reassemble.


  • Registered Users, Registered Users 2 Posts: 2,931 ✭✭✭letape


    It could also be caused by having the gear cables/housing a little short and running tight either side of the head tube.

    I would definitely check the headset and ensure it is properly greased and not over tight when reassembled.


  • Registered Users, Registered Users 2 Posts: 2,005 ✭✭✭ashleey


    Went through the same issue with a focus. Tried cleaning the bearing cartridges but the balls were worn. New sealed cartridges needed. Cartridges are from FSA and can be bought individually from UKBikestore or as a complete headset from wiggle. It's either no. 43 or no. 33 I think. FSA codes are stamped on the cartridges. They are Campag fit and 1 1/8 th at top and 1 1/4 on bottom. Just the cartridges is cheapest. I did notice though that the thin FSA carbon seal lets water and grit in. A 15mm sealing cap is better and then use less 5mm spacers. I'll look up the codes


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  • Registered Users, Registered Users 2 Posts: 2,005 ✭✭✭ashleey


    Here is the headset

    http://www.winstanleysbikes.co.uk/product/24202/FSA_Orbit_C33_Differential_Headtube_Headset

    Look for cheaper though!

    The bearing codes are 870 top and 970 bottom


  • Registered Users, Registered Users 2 Posts: 1,059 ✭✭✭victorcarrera


    My guess is that the bottom bearing race is pitted in one spot due to hitting a pothole or similar. There is no need to change it though, just rotate the bearing shell by about 45 degrees so that that segment is not used any more.
    I would be suspicious of the gear cable being changed too because the Cayo has cable clamps on the head tube.
    Remove both cables from the clamps temporarily and retest.


  • Registered Users, Registered Users 2 Posts: 2,005 ✭✭✭ashleey




  • Closed Accounts Posts: 1,268 ✭✭✭irishmotorist


    Great stuff everybody. Thanks very much for the advice and recommendations. I'll have a go at them.


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  • Registered Users, Registered Users 2 Posts: 2,931 ✭✭✭letape


    Great stuff everybody. Thanks very much for the advice and recommendations. I'll have a go at them.

    No worries - let us know how you get on!


  • Registered Users, Registered Users 2 Posts: 2,005 ✭✭✭ashleey


    Good luck and just remember the right tightening sequence when you put it back together. Clean the inside of the headtube and then grease too.


  • Closed Accounts Posts: 1,268 ✭✭✭irishmotorist


    I've been doing a bit of reading so I think I will replace the headset rather than just bearings. Sheldon recommends it here under the 'indexed steering' section on this page.
    http://sheldonbrown.com/headsets.html

    It's a good price on that Wiggle link that Ashleey posted so I'm gonna grab one of them.


  • Registered Users, Registered Users 2 Posts: 2,005 ✭✭✭ashleey


    The 1 I bought from wiggle was for my 2010 focus cayo team replica just to confirm. It came with a carbon 15mm top seal and thus I changed the number of spacers. Double check your exact model but wiggle will refund if you order wrongly after you pay the postage though. Good luck


  • Registered Users, Registered Users 2 Posts: 2,245 ✭✭✭check_six


    Had a clicky grindy wobbly thing going on with my MTB last year. Talked to shop and opened the headset. There was an ominous plink plink plink as ball bearings fell out of the bottom of the headtube. The ball bearing race had disintegrated and the remaining shards were causing the clicking. Luckily it was a cheap part to replace on my MTB.


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