Replacement for the B01S and B03S models
Make sure you always have derailleur pulleys in good condition for efficient gear shifting and to avoid premature chain wear!
Sylvain C.
Mechanical expert
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Votre avis compte pour nous
Based on 5 reviews
Conforming product (Translated review)
Very good value for money. Installed on a Shimano deore 6100. (Translated review)
perfect for rear derailleur restoration (Translated review)
Order of February 7, received on February 9. Competitive price. (Translated review)
Rollers to change every 3000 km on a Lapierre 6.6 (Translated review)
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