Old 09-11-19, 06:02 PM
  #10  
Clem von Jones
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I sounds like a classic case of one sit bone sliding off the edge. I think you've mismeasured your arse. 138mm is very narrow for someone your size. 155mm is probably what you require.

Last edited by Clem von Jones; 09-11-19 at 06:05 PM.
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