Which pulley wheel goes where (Shimano and Sram jockey wheels explained)

Jockey wheels on aderailleur always come on pairs. But which pulley wheel goes where? Find the difference between Shimano and Sram top and bottom jockey wheels.
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[@vkingsak]

Very helpful. Thank you. I've just found the case that the bike mechanic put them back in the wrong places and shifting has become sloppy. Already swapped them and the issue solved.

[@HystrixLignum]

Very helpful, Thank You!

[@cyclemaintenanceacademy]

Thank you, happy to hear that 😁

[@norazman1771]

Good info😊

[@danfish88]

Thanks

[@cyclemaintenanceacademy]

No problem, hope it helped 😁

[@shmubogdan9624]

would have been better if you showed what is top and what is bottom also :)

[@cyclemaintenanceacademy]

Hey, thanks for the comment. If you would like to know which jockey wheel goes where then I have a great video for you here: kzbin.info/www/bejne/hZzYkIugo6-koc0. Let me know if it was useful. Take care🙂

[@shmubogdan9624]

@@cyclemaintenanceacademy hey. somehow i ended up on that one after and re-assembled it after cleaning and greasing :)) thanks

[@Lucyferrer1]

What happen if you exchange them?

[@cyclemaintenanceacademy]

Hi, thanks for your question and apologies for not getting back to you sooner (summer holiday duties). The guide pulley and tension pulley are specifically positioned based on the geometry of the derailleur, the angles at which the chain travels, and the sizes of the cogs on the cassette. Switching their positions could result in improper chain alignment, poor shifting, increased chain wear, and even potential damage to the components.

[@davidnash8724]

Which direction do they go?

[@cyclemaintenanceacademy]

Hey and thanks for your question. I've explained it in this video: kzbin.info/www/bejne/hZzYkIugo6-koc0 . Hope this helps🙂