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Spoiled threads at the crank

What do you do when the threads at the crank arm is spoiled? Here are the quick 3 steps to solve it (as far as the main chainring securing bolt is concern anyway):

Step 1 – identify where the problem was.
Step 2 – re-thread the threads with the M8 1.0 tool.
Step 3 – Screw the bolts back in and it should be just nice.

 

 

About Petrelli

Known as the titanium guy at Bike48. Always trying to tell people titanium is 45% lighter than steel. Proactively modding up his Brompton with the left over parts!

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