Originally Posted by
krobinson103
No. Replaced the 12-25 with a 11-34 (an adventure in itself!) at the same time. Besides worn teeth don't bendinks like pretzels.
"On my shimano 2300 8 speed gear set I replaced the chain after it started slipping."
Maybe, since the RD-2300 spec's a max 26T cog size, a 34T cog just MIGHT be causing problems?