Home Bike Maintenance Spoiled threads at the crank

Spoiled threads at the crank

by Petrelli

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.



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