Little feedback.
The guys from the shop (Breuls Maasmechelen Belgium) just called after my mail with some pictures and they are going to replace everything at once. Chain, chainwheel and cassette.
Because after every incident only the broken part was replaced and between there where several...
I realy hope you are wrong altough it´s starting to feel you are wright.
The guys in the shop do their best but as you say they don´t realy now whats going on.
I´ll keep you posted hope we can find the fun i our bikes again.
Thanks for your advice. Realy apreciate you guys thinking with me.
Are you sure it´s a kmc chainring. Because i´m sure the chain and casette are shimano. Our doesn´t brand make a difference?
I just scrolled true all of the forums to see if anyone has the same problem.
It seams i win.?
After 120 miles the ring came lose and broke my chain. Whent to my Trek dealer and they tightend the ring using loctite.
After 10 miles same problem.
Changed the chain. Again same problem.
Then...