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A little while ago I posted about how I almost crapped my pants at full lean when I got what I can only describe as a "weaving headshake" from the front wheel.
Then on a group ride I took a corner hot and had to lean way over and it happened again. This time I ran wide into the oncoming lane and almost hit a truck hauling a horse trailer.
Actually... The chicken strips on my front tire, while small, are in an almost sawtooth pattern. Not smooth looking like everyone elses I see.
This weaving headshake has me scared to do any kind of spirited cornering since the 2nd time it happened, since I know I was light on the bars that time and kept my head. I did manage to get it back over into my lane this time without what I thought would be certain death, but I missed the front of that truck by about 5 ft.
I thought my tires felt especially soft today and realized I havent checked my air pressure since late June. They were at 27 PSI and they call for 42 PSI. Yes Im an idiot.
I got on the back and it was a night and day difference, it felt so much lighter and flickable. I took a nice sharp slow corner somewhat hard and no sign of headshake.
Could this have been the cause?