Join Date: Apr 2007
Bikes: 2007 Trek 7.5 FX 2007 Trek 4300
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As I've heard it called. Bike shifts by itself. I did a little reading and came up with cable stretch. I thought this a little silly since I haven't logged 10 mi. yet. However I have been a little concerned with how the bike was assembled, no that's not the right word, 'tuned' perhaps before it left the shop. I went back once because the front brake was fairly tight...not free spinning at all after the first ride. Despite me trying to adjust it, it would loosen but only on one side. I brought it down to the shop and the guy bent the tension spring a little and it's been fine since. A little thing like that. So I read a bit and tried adjusting the rear shifting cable at the shifter end. Can't really say there was a big change either way. Stopped by the shop today and he told me to bring it in and he'd check it for me. No quarrel with them about that, it's been an immediate fix when I go in.
I did flip it over on it's handlebars and seat and shifted through some gears and at some point it would make the noise as if the outside of the chain was rubbing against the next gear, although it doesn't do that when riding. I tried to narrow it down as to whether it happened when I was pressing too hard on the pedals etc. but it's fairly random.
Any insight on that one?
That said, I better than doubled my miles today. Which wasn't that hard to do when the baseline was 1mi. Nonetheless, only my fourth ride and my breathing was better and the heart area was comfortably warm instead of atom splitting pounding. Initial gains are nice