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Just installed new gear cable, chain and 9 speed rear derailer however the derailer does not want to shift onto the last two cogs. Feels like there is always too much tension on the cable.
I have tried everything I can think of but nothing is working.
Any ideas?
I'm not going to be the only one who misreads the title as "Shitting Problem" am I?
Anyway, obvious thing is limit screws? Otherwise, is everything straight, mech hanger, mech cage etc? Worth starting from scratch following the park tools guide or something similar?
Limit screw
B tension adjust
Ease cable tension
The mech is brand new so yeah everything is straight. I can't set the limit screws properly as I can't get on the big sprocket
Did you release all the cable tension in the shifter before connecting the cable to the rear mech?
Unwind the limit screws for the inner (largest) adjustment, they usually come wound in.
Start from scratch. Limit screws set with chain off. No more fiddling with those screws after that. Then chain on and index. I find the key is starting with the cable adjuster wound in all the way and then backed off slightly as per these instructions works for me.
http://www.bikeradar.com/gear/article/workshop-how-to-set-up-the-gears-on-your-bike-23582/
do what deadkenny said...