northerndave
Retrobike Rider
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Hey. I just tried the '27.0' shim that I've got in my 27.2 frame and it seems to hold fine. I got the shim with the seatpost and am only going by what the seller told me it was. It may well be 27.2. A can sling that in for £2 if you want. New shims can be picked up from CRC or Wiggle for £6.