Old 06-26-20, 05:29 PM
  #9  
Barry2 
LR÷P=HR
 
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Bikes: 1981 Holdsworth Special, 1993 C-dale MT3000 & 1996 F700CAD3, 2018 Cervelo R3 & 2022 R5, JustGo Runt, Ridley Oval, Kickr Bike 8-)

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Originally Posted by TejanoTrackie
It looks like that tool is designed primarily for tightening chainring bolts, not loosening them. As soon as you begin to loosen the bolt, it will lose its grip on the nut, and allow it to spin in the chainring it the bolt is seized up inside the nut.
That appears to be a spring on the device, not a thread. So as you turn to extract the bolt, it wont back off.
Not the best picture if you're trying to sell em!

Barry
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