Originally Posted by
CAT7RDR
You answered your own question.
I have been able to complete several long ascent bucket list rides because of the 11-34 cassette offering 27, 30 and 34 cogs with my 34 chain ring. Sometimes you need the climbing cogs to 'rest' the legs. I was really fatigued always grinding in the 25, 28 cogs.
I guess I did
...looks like I'll need a new chain, mech and cassette...
It's called a "long cage" mech, right?