V12man Posted May 9, 2016 Posted May 9, 2016 Thanks everyone. I will stubbornly proceed with the post until I choose to cast it off a cliff. On the bright side, it should teach me to be lighter on the bike.put a spare bolt in your spares kit.... - having done a 36k standing return home because of a broken bolt I can assure you it is not fun.... The way it was explained to me by a materials engineer is that as the bolt fatigues and the material becomes plastic, then it won't hold tension - the only solution is to put in a new rated bolt - overtorquing just hastens the fatigue. The seatpost that broke a bolt and caused me to curse is now on it's 3rd bolt - the second one got replaced when it started to display the same symptoms you have - problem solved.
gerhardsnorbaard Posted May 9, 2016 Author Posted May 9, 2016 put a spare bolt in your spares kit.... - having done a 36k standing return home because of a broken bolt I can assure you it is not fun.... The way it was explained to me by a materials engineer is that as the bolt fatigues and the material becomes plastic, then it won't hold tension - the only solution is to put in a new rated bolt - overtorquing just hastens the fatigue. The seatpost that broke a bolt and caused me to curse is now on it's 3rd bolt - the second one got replaced when it started to display the same symptoms you have - problem solved. Thanks V12Man - is this a common bolt to procure from LBS? I believe that bike manufacturers and LBS secretly ploy not to stock easy-to-replace parts. Hopefully CWC can put me out of my misery.
V12man Posted May 9, 2016 Posted May 9, 2016 Thanks V12Man - is this a common bolt to procure from LBS? I believe that bike manufacturers and LBS secretly ploy not to stock easy-to-replace parts. Hopefully CWC can put me out of my misery. I just took the bolt to my local nut and bolt shop and asked for a replacement - minimum 8.8 rated - and I think it cost me about R5....
manbearpig Posted May 9, 2016 Posted May 9, 2016 I cannot believe you used the correct spelling for "loosening"
gerhardsnorbaard Posted May 9, 2016 Author Posted May 9, 2016 I just took the bolt to my local nut and bolt shop and asked for a replacement - minimum 8.8 rated - and I think it cost me about R5.... Thanks for the hack!
V12man Posted May 9, 2016 Posted May 9, 2016 Thanks for the hack! And if you want pretty ones - you can look here... https://www.probolt-southafrica.com/
gerhardsnorbaard Posted May 9, 2016 Author Posted May 9, 2016 I cannot believe you used the correct spelling for "loosening" Bro, do you even write. Dont get me started - ive landed a skateboarding sponsorship in my more reckless years due to my ability to write, not ride. Waiting for an idle Friday to write a gonzo internal monologue on the whims of the squeaky brake pad
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