Originally Posted by
zandoval
Your derailleur maxes out at 34T the way it is. Wolf Tooth at 20 USD or its ChiCom Knock Of on Amazon for 7 USD are workable. And thats with modified wheel position and B screw adjustments. You should be able to get up to a 36 teeth, maybe, but not more using the extender. I would go to another derailleur if I wanted to get to 42 teeth.
Could you recommend a derailer for my situation.. This is an e-bike I will use on my farm that has steep hills. It doesn’t have to be anything fancy just reliable. Thanks for your help.