How To Adjust A Shimano Xt Rear Derailleur. Larger 13T pulleys increase efficiency and chain management while compatibility with SHIMANOs new 12-speed cassettes boosts range. Shimano is back in the game again with its latest 12-speed drivetrains from Deore up to XTR.

Larger 13T pulleys increase efficiency and chain management while compatibility with SHIMANOs new 12-speed cassettes boosts range. You adjust the tension by turning the adjuster barrels on the shifter or derailleur. Refer to our video on hanger alignment to fix this issue.
How to Adjust a Shimano XT Rear Derailleur on a Bicycle Shift the derailleur down to the smallest cog on the chainring.
Tighten the barrel adjuster by turning it clockwise. When passing the chain through the rear derailleur pass it through the rear derailleur body from the side of the chain derailment prevention plate as shown in the illustration. Loosen the cable anchor by unscrewing it slightly. Is setting them up a dark art.

