STI Trouble

[.RJ]

Originally Posted by fourflys

never had that issue.. not saying it doesn't happen, just never for me and I had a few older sets of SRAM stuff..

Maybe the lever fell out first

All my bikes are on Sram, so I'm mostly joking about this.

[oldpotatoe]

Originally Posted by .RJ

Yeah, flush out the grease when shifting performance gets 'lazy'

Or if you use Sram, wait for your pawls to break.

Just get replacement bits from Sr............oh never mind...

[Permanent socks]

I use carb cleaner to flush the shifters and then lube with Teflon lube.

Took 6 years and 50,000+ km for mine to stop shifting.

[CampyGrampy]

I had to rebuild a left (front) ST-R7900 lever that was experiencing the same symptom as yours. That paddle which went limp is supposed to be held in tension by a spring on its backside which is anchored on the outer lever body. The spring is maybe 5 mm and it will permanently distort. The fix: I restored the spring as much as I could, then I lopped whatever I couldn't wind, and then fashioned an anchor hook. I'm not going to tell you how many tries I had before I got it working again.