Canyon stripped threading seat post- Mtbr.com
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  1. #1
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    Canyon stripped threading seat post

    Went for a ride today and before I even left the parking lot I noticed the seat was wiggling side to side. I slightly tightened the bolt and all a sudden the bolt and the round exterior spiral cylinder fell out as well. I tried putting both back in but it was very loose and didnt hold. Super bummed since I just got this bike. Anyone know how to resolve this or how much this could cost at a bike shop.

  2. #2
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    Are you talking about where the seatpost attaches to the seat, or where the seatpost goes into the bike frame,?

    Either way a bike shop will definitely be able to help you out.
    If it's where the seat attaches to the post, you may need a new seatpost, but I wouldn't buy one from a bike shop unless they have a used one for cheap. Shouldn't be too hard to find someone local who has upgraded to a dropper post and will sell you their old one for cheap. You just need to know what size yours is.

    If it's where the post attaches to the bike, that parts cheap to replace.

    If the bike is new, I would take it to where you bought it and have them fix/replace it...

  3. #3
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    The seat clamp in integrated inside.

    Third picture down shows it .

    https://reviews.mtbr.com/2018-canyon-spectral-unveiled


    Canyon bikes are sold online only so I dont have a bike shop to bring it to. Im hoping this wont cost to much.

  4. #4
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    Quote Originally Posted by Vermonter802 View Post
    The seat clamp in integrated inside.

    Third picture down shows it .

    https://reviews.mtbr.com/2018-canyon-spectral-unveiled


    Canyon bikes are sold online only so I dont have a bike shop to bring it to. Im hoping this wont cost to much.
    That looks to be proprietary to that brand. Only thing you can do is contact them for a fix.
    Quote Originally Posted by mileslong View Post
    I passionately remove rocks and corners and other stuff I find too hard to ride.

  5. #5
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    Did you use a torque wrench on that bolt? If not, now you know.

  6. #6
    EAT MORE GRIME
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    afaik
    canyons come with a torque wrench in the box
    seat bolt is 4Nm, which is very low torque, 1Nm less than handlebar parts
    the entire canyon manual is all about torque and using the supplied wrench

    [hell my giant seat wedge is 10.2Nm]

    "Put your seatbelt back on or get out and sit in the middle of that circle of death." - Johnny Scoot

  7. #7
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    Quote Originally Posted by 127.0.0.1 View Post
    afaik
    canyons come with a torque wrench in the box
    seat bolt is 4nm, which is very low torque, 1nm less than handlebar parts

    [hell my giant seat wedge is 10.2nm]
    Whats nm? Some new kind of increment?
    Quote Originally Posted by mileslong View Post
    I passionately remove rocks and corners and other stuff I find too hard to ride.

  8. #8
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    Quote Originally Posted by DIRTJUNKIE View Post
    Whats nm? Some new kind of increment?
    n e w t o n m e t r e

    sorry it's Nm not nm
    "Put your seatbelt back on or get out and sit in the middle of that circle of death." - Johnny Scoot

  9. #9
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    Quote Originally Posted by 127.0.0.1 View Post
    n e w t o n m e t r e

    sorry it's Nm not nm
    Looks like Im the one with egg on my face. I wasnt even aware of Nm. Thought you did a typo for mm.
    Quote Originally Posted by mileslong View Post
    I passionately remove rocks and corners and other stuff I find too hard to ride.

  10. #10
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    Contact Canyon support. They'll get you sorted one way or the other.

    You can certainly bring it to a bike shop. They'll take a look at it and let you know what the situation is. If it can be fixed with standard parts and procedures, they can do it. If a proprietary part is needed or the frame is damaged or broken, you'll have to contact Canyon.
    Do the math.

  11. #11
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    I used the supplied torque wrench. I contacted Canyon and they are requesting more photos, hopefully they will resolve it.

  12. #12
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    Quote Originally Posted by Vermonter802 View Post
    The seat clamp in integrated....
    Another fix without a problem...geez. When will these manufacturers learn?

  13. #13
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    I am assuming they'll use a heli coil of some sort to fix it. Otherwise i'll have to send the entire frame back.

  14. #14
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    Quote Originally Posted by Pisgah View Post
    Another fix without a problem...geez. When will these manufacturers learn?
    right ?

    it looks great at interbike but is a hassle in real world use

    my friggin 2 giant bikes with wedges, I could do without them
    "Put your seatbelt back on or get out and sit in the middle of that circle of death." - Johnny Scoot

  15. #15
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    I guess I can duct tape it so I can get a few rides in before I can get it resolved.

  16. #16
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    I hate these stupid little proprietary parts.

    They offer the consumer zero benefit over a plain old seat clamp.

    Someone needs to punch Canyon's engineers in the nuts for this (and Giant's, for their stupid wedge).

  17. #17
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    Canyon stripped threading  seat post-canyon-spectral-seatpost.jpg

    Looks interesting. How else would you ditch the seat tube slot and clamp? Dropper posts seemingly don't like to be clamped, since they sort of get pear shaped I suppose. The slot is probably a source of water ingress.

    Odd that the torque value is so low. If I didn't know it was so low, and it had anything bigger than a 4mm allen head, I would've for sure overtorqued it.

  18. #18
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    Sent some additional pictures to Canyon. They offered a full refund of the bike or to reimburse me the repair. They stated a helicoil would need to be installed, which I opted for. Great customer service.

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