Spacers For Rear Caliper Carrier On 1098

Discussion in 'Technical Help' started by Desmophil, Oct 1, 2025 at 10:43 PM.

  1. I am recommissioning my 1098 and I am facing a bit of an issue with refitting the rear calliper carrier.

    I disassembled the hub for cleaning / greasing.
    I took the calliper carrier off, undoing the circlip which was very tight.
    Time to refit and there is no way that it wants to go back in.

    I have measured the space between the wall of the hub and the groove of the circlip and I am measuring 14.66mm. I measured the stack Spacer / O-ring / calliper carrier / O-ring / Spacer and I get 15.74mm. So, I am about 1mm off. No surprise this is a struggle.

    The spacers are 1mm thick.
    Does anybody know if there are different thickness for those - like 0.5mm??

    For information, I am talking about the spacers #15 in the part page below

    thanks you for the help

    Screenshot 2025-10-01 at 22.41.20.png
     
  2. It’s a bugger to get back. Get the circlip into the hub as far as you can and with a flat punch and a bit of tappity-tap-tap you can tap it in until it clicks into its groove.

    When you’re measuring the combined height of 15,16,17,16,15 you can’t compress the o-rings sufficiently just by squeezing them together with your fingers.

    Its a big circlip, for which you need big circlip pliers, I think mine are 16”
     
  3. So, that's one where the hammer is a legitimate tool to be used then ;-)
    The gentle tap with a rubber hammer did not get me very far so far!
     
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  4. It is a tight fit. Watch for the last shim dropping into the circlip groove. That’s the ball ache. Plenty of grease on the o rings to hold the shims in place and as Paul said, finish off with a light tapping of the clip until it seats.
     
  5. Thank you - managed to get it to fit
    It wasn't that tight on the 916-996. I don't completely get why it is that tight.
     
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