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Shimano Acera RD-M340 Guide Pulley Unit - Top - Y5T798010

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Questions & Answers (1) Q & A
This Guide Pulley Unit can only be used with Shimano Acera RD-M340 rear derailleurs.

Genuine Shimano replacement part.
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Questions & Answers (1)
Shimano Rdm340 Pulley Sizes
24 Oct 2014
Dear Sir/Madam, I notice your website only display one pulley, my derailleur obviously has 2 but one is approx' 500 diameter whilst the other is approx' 60 mm, could you tell me how to order the different sizes please?

I assume I need to order 2 pulleys, i.e £9.98 in total?

Kind regards

Geoff E
SJS Customer Service:

This is the guide pulley only, which is the upper jockey wheel. You need to purchase a separate tension pulley which is SJSC part number 15841.