Shimano Rear Derailleur Not Shifting

Shimano Rear Derailleur Not Shifting. How To Adjust Or Install A Rear Derailleur In 10 Steps [With Video Guide] A Broken/Worn-Out Derailleur Cassette A broken or worn-out cassette is one major reason the rear derailleur is not shifting down. Shimano gears not shifting (rear derailleur not moving) Ask Question Asked 2 years, 1 month ago

8 reasons of a rear derailleur not shifting to lowest or highest gear restoration.bike
8 reasons of a rear derailleur not shifting to lowest or highest gear restoration.bike from www.restoration.bike

And one of the major problems could be the di2 rear derailleur not shifting The derailleur itself doesn't seem broken or bent.

8 reasons of a rear derailleur not shifting to lowest or highest gear restoration.bike

A tune-up fundamental SHOULD be the proper alignment of the rear derailleur hanger Depending on the derailleur's speed, the reset process varies. Troubleshoot your derailleur shifting problems to get your bike drivetrain working again.

How to adjust your front and rear derailleurs Cycling Weekly. If the shop doesn't use a Park Tool DAG-1 [derailleur hanger alignment gauge], or some other manufacturer's, to inspect, verify, and correct the relation of the hanger to 3 different points on rim of rear wheel at 180 and 45 degrees apart it is throwing parts at a bike. This creates friction along the system, which will slow the shifting in both directions.

Shimano SIS Rear Derailleur. A Broken/Worn-Out Derailleur Cassette A broken or worn-out cassette is one major reason the rear derailleur is not shifting down. Shimano 105 brifters - rear shift jumps multiple gears