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When to replace your jockey wheels - avoid an expensive mechanical issue and improve your shifting | road.cc
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Shimano Sora Rear derailleur upgrades pulley wheels to 11T-14T ceramic bearing, folding bike DIY - YouTube
![So my GRX 400 rear derailleur jockey wheels became ninja stars and I cant get some new GRX specific ones. Will other shimano jockey wheels also work? : r/bikewrench So my GRX 400 rear derailleur jockey wheels became ninja stars and I cant get some new GRX specific ones. Will other shimano jockey wheels also work? : r/bikewrench](https://preview.redd.it/sjephcjt9ox61.jpg?width=640&crop=smart&auto=webp&s=68a77601cb87a06b48369cf9b8461cfe229c2476)
So my GRX 400 rear derailleur jockey wheels became ninja stars and I cant get some new GRX specific ones. Will other shimano jockey wheels also work? : r/bikewrench
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