![Amazon.com : Shimano Ultegra 6800 11-Speed Rear Derailleur Pulley Set: Version 2 : Sports & Outdoors Amazon.com : Shimano Ultegra 6800 11-Speed Rear Derailleur Pulley Set: Version 2 : Sports & Outdoors](https://m.media-amazon.com/images/I/41eopGdnr8L._SR600%2C315_PIWhiteStrip%2CBottomLeft%2C0%2C35_PIStarRatingFIVE%2CBottomLeft%2C360%2C-6_SR600%2C315_ZA111%2C445%2C290%2C400%2C400%2CAmazonEmberBold%2C12%2C4%2C0%2C0%2C5_SCLZZZZZZZ_FMpng_BG255%2C255%2C255.jpg)
Amazon.com : Shimano Ultegra 6800 11-Speed Rear Derailleur Pulley Set: Version 2 : Sports & Outdoors
![Bent derailleur cage? Took it apart for cleaning and noticed the two sides aren't square The bottom pulley is tightened, but the top (g-pulley) is not and you can see the gap Bent derailleur cage? Took it apart for cleaning and noticed the two sides aren't square The bottom pulley is tightened, but the top (g-pulley) is not and you can see the gap](https://i.redd.it/nlcvl6ag17u51.jpg)
Bent derailleur cage? Took it apart for cleaning and noticed the two sides aren't square The bottom pulley is tightened, but the top (g-pulley) is not and you can see the gap
![When to replace your jockey wheels - avoid an expensive mechanical issue and improve your shifting | road.cc When to replace your jockey wheels - avoid an expensive mechanical issue and improve your shifting | road.cc](https://cdn.road.cc/sites/default/files/styles/main_width/public/replacing-jockey-wheels-3.jpg)