How To Tighten Rear Derailleur Cable. Thats a barrel adjuster which is used to tune the derailleur adjustment. Shimano SLX derailleur shifting slowhard - YouTube.
Loosen the cable-clamp bolt on the rear derailleur and pull the shifter cable out. But really the cable isnt stretching it is just getting settled into the housing. Find the correct setting by first making the H-limit screw adjustment too tight.
If the chain is not in the biggest cog we will assume it is in a smaller cog due to the limiting H.
Step 1 View the barrel adjuster on the rear dérailleur. Place a cable ferrule hollow tip on the end of the inner wire. Find the correct setting by first making the H-limit screw adjustment too tight. As this happens it is common to have to tighten the cable to preserve smooth shifting.
