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Clicking noise every 1 & 3/4 turn…What to do?

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  • August 30, 2019 at 8:43 am #30065
    Huckfinn

    Hi all!

    I seem to have this annoying issue on my new bike with Ultegra RX.

    Crankset is 50/34, Cassette 36/11.

    Every time I’m on 34-27 (sometimes 34-32) I have this disturbing clicking noise exactly every turn and 3/4 of the crankset. It also happens when on 50-27 (which I don’t use often).

    Some cyclist remarqued that my tiny screws on cassette have to be adjusted (basically the external one for the larger cogs, the internal for the smaller cogs). 

    Not sure how to go about it but… Can someone help me fix it myself?

    Thanks for any feedback

    H.

    PS: the noise doesn’t come from saddle/saddle post or when I lift the bike and just turn the pedals…

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  • September 4, 2019 at 9:03 am #949193
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    Huckfinn

    Thanks! So the  80+ year old

    Thanks! So the  80+ year old bike technician recommended by another Canyon user, met by chance while riding,  seems to have fixed the 27t sprocket by very carefully getting at it with tiny hammer & chisel + file. Just before he was getting ready for a good climb (I live in the South of France) with his long-time mates. So far no noise. I’ll see what’s what in the next few days….

    Thanks to all for taking the time to help me find a solution!

    H.

    September 3, 2019 at 8:06 pm #949191
    0
    John N

    ktache wrote:

    ktache wrote:
    Good luck, bicycles should be quiet, and any noises are very irritating.

     

    Nobody has mentioned this to the hard as concrete aero rimmed people yet.  I was in the middle of know where last bank holiday and you could hear them coming from a distance – even the solo riders.  Not unpleasant – but not silent like a good tourer.  I suppose I’ll get used to them just like MTB treads oblivious to the fact that I’m probably doing the same!

    As for the original problem, take the chain off and before you do anything else with it hang it vertically.  A tight link will be observed by seeing a small kink in the chain.  But also check what goes around once for every 1 3/4 crank revs. Hand crank gently and you MIGHT be able to feel something.  Good luck.

    September 3, 2019 at 9:27 am #949189
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    Huckfinn

    kil0ran: thanks!

    kil0ran: thanks!

    September 3, 2019 at 9:15 am #949187
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    Pyro Tim

    mike the bike wrote:

    mike the bike wrote:

    Pyro Tim wrote:
    New Canyon? Not a surprise. Check and tighten everything. My mate just dropped nearly 5k on one and had no end of problems. Rotors only finger tight, front mech only finger tight. Keeps dropping the chain, resulting in it bending and needing replacing. Don’t assume everything is good because it’s new.

     

    I know two people whose Canyon deliveries were late but all three of us are agreed about one thing – the bikes were immaculately built.  My own Endurace was easily the best prepared of the half-dozen bikes I’ve bought online, down to an almost fanatical level of detail.  I guess you need a little luck ….

    His was late too. It’s been to bike shops half a dozen times in 6 weeks, and he’s been injured for half of that. Unfortunately it’s now past 30 days, so can’t send it back. He’s considering selling it already.

    September 3, 2019 at 8:59 am #949185
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    kil0ran
    Huckfinn wrote:
    Problem solved about the brake caliper, it being an easily available BR-8070…

    Concerning the 27t sprocket: can anyone advise where to buy one? It would be for the Ultegra 11speed 11/34 cassette…

    Thanks!

    Not many places sell part cassettes but SJS Cycles do – https://www.sjscycles.co.uk/cassette-spares-shimano/

    I don’t see it on their list but they can probably source it. Just need to know which series the cassette is (R8000?) – then look up the exploded view on si.shimano.com for that particular model, it will give you the Shimano part number.

    If it is R8000 then this is the part number – it’s the final cluster (27-30-34) of the cassette that’s sold as a unit. Might end up being cheaper to buy a whole new cassette.

    Y1WH98030  

    September 3, 2019 at 7:49 am #949183
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    Huckfinn

    I have to say, to Canyon’s

    I have to say, to Canyon’s merit, that I agree with mike the bike.

    Sprocket little issue aside, the bike’s just great.

    That said: if I could fix it without reurning the cassette to Canyon (which is what they suggested) it’d be great..!

     

    September 2, 2019 at 4:45 pm #949181
    0
    mike the bike
    Pyro Tim wrote:
    New Canyon? Not a surprise. Check and tighten everything. My mate just dropped nearly 5k on one and had no end of problems. Rotors only finger tight, front mech only finger tight. Keeps dropping the chain, resulting in it bending and needing replacing. Don’t assume everything is good because it’s new.

     

    I know two people whose Canyon deliveries were late but all three of us are agreed about one thing – the bikes were immaculately built.  My own Endurace was easily the best prepared of the half-dozen bikes I’ve bought online, down to an almost fanatical level of detail.  I guess you need a little luck ….

    September 2, 2019 at 4:18 pm #949179
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    Pyro Tim

    New Canyon? Not a surprise.

    New Canyon? Not a surprise. Check and tighten everything. My mate just dropped nearly 5k on one and had no end of problems. Rotors only finger tight, front mech only finger tight. Keeps dropping the chain, resulting in it bending and needing replacing. Don’t assume everything is good because it’s new.

    September 2, 2019 at 3:41 pm #949177
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    Huckfinn

    Problem solved about the

    Problem solved about the brake caliper, it being an easily available BR-8070…

    Concerning the 27t sprocket: can anyone advise where to buy one? It would be for the Ultegra 11speed 11/34 cassette…

    Thanks!

    September 1, 2019 at 9:11 am #949175
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    Huckfinn

    Hi,

    Hi,

    And thanks!

    Looking at the Shimano Products Compatibility Information  page (and sorry, I don’t seem to be able to link the file, only download it..) on page 31 they mention both but I can’t work out what’s what..can someone help?

    September 1, 2019 at 8:43 am #949173
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    StraelGuy

    Not sure about those two

    Not sure about those two particular calipers but the thing to watch out for is the diameter of the hose. There are two different diameters and older systems tend to user one and newer systems, the other.

    September 1, 2019 at 7:56 am #949171
    0
    Huckfinn

    On a side note:

    On a side note:

    Can someone tell me where I can buy the Shimano Ultegra R8020 front brake disc caliper?

    Or: is the R8070 (easily available online) fully compatible….?

    Thanks!

    August 31, 2019 at 9:05 pm #949169
    0
    Huckfinn

    Hi,

    Hi,

    So the guy at the LBS said: no issue with anything else…a tooth of your sprocket (the 27t) is “malformed” and the chain “sits” on it’s edge for a fraction of a second before being pulled downward……hence the clicking noise

    !!

    August 31, 2019 at 8:08 am #949167
    0
    CXR94Di2
    Huckfinn wrote:
    Thanks for that!

    I’ll check it this morning.

    Please note that someone told me yesterday night that my derailleur is not straight/not parallel to the back wheel, but it’s actually “inclined” so that the bottom part is slightly outwards compared to the top part….

     

    That can happen with long cage derailleurs, mine does it too, its not a fault.  Only if you have knock against the derailleur would you then examine hanger and derailleur alignment.

    You’re concerned mostly with the upper cog  on the derailleur and chain alignment going around the cassette and cog.  Sometimes its a fraction of a mm to adjust to clear up annoying clicks etc.

    August 31, 2019 at 5:44 am #949165
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    Huckfinn

    Thanks for that!

    Thanks for that!

    I’ll check it this morning.

    Please note that someone told me yesterday night that my derailleur is not straight/not parallel to the back wheel, but it’s actually “inclined” so that the bottom part is slightly outwards compared to the top part….

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