{"title":"Derailleur jockey wheels","description":"","products":[{"product_id":"galets-bbb-rollerboys-13t-13t-compatibles-shimano","title":"BBB RollerBoys 13T-13T Shimano compatible rollers","description":"\u003cp\u003e The BBB RollerBoys 13T-13T pulleys are designed to improve the smoothness and reliability of the drivetrain on Shimano 12-speed mountain bike groupsets. Made from EMS Swiss Grivory composite material reinforced with 40% fiberglass, they offer an excellent balance of lightness, stiffness, and durability, even under intensive use.\u003c\/p\u003e\n\n\u003cp\u003e The rollers are equipped with sealed bearings protected by an aluminum cover, ensuring smooth rotation and effective protection against dust, mud, and moisture. Their design optimizes chain stability and reduces friction, thus contributing to improved overall drivetrain performance. With a 13-tooth profile, these rollers ensure precise and reliable operation while maintaining a low weight of only 30 grams.\u003c\/p\u003e","brand":"BBB","offers":[{"title":"Default Title","offer_id":47919266136292,"sku":"BDP-09","price":23.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0760\/4807\/2932\/files\/123_695d2a72-2e78-4c26-a55c-24d9439117ba.jpg?v=1771569116"},{"product_id":"galets-bbb-rollerboys-11-dents-noir","title":"BBB RollerBoys 11-tooth black rollers","description":"\u003cp\u003e The BBB Cycling RollerBoys 11-tooth jockey wheels are designed to optimize the smoothness and precision of gear changes on road and mountain bikes. Made from an EMS Swiss composite material reinforced with 40% fiberglass, they offer excellent wear resistance while maintaining a low weight. This construction ensures reliable and long-lasting performance, even under intensive use.\u003c\/p\u003e\n\n\u003cp\u003e The pulleys are equipped with low-friction, sealed ABEC-3 industrial bearings, ensuring smooth, quiet rotation and a long service life. Their design reduces energy loss in the drivetrain and improves overall pedaling efficiency. The kit is compatible with Shimano 9- and 10-speed drivetrains, MegaRange systems, and Campagnolo 11-speed groupsets.\u003c\/p\u003e\n\n \u003cp\u003eThe product comes as a pair of 11-tooth pulleys with a complete set of spacers, allowing for easy installation and broad compatibility with various derailleur systems. These pulleys provide a reliable solution for replacing or upgrading original components, while ensuring precise and stable drivetrain operation.\u003c\/p\u003e","brand":"BBB","offers":[{"title":"Default Title","offer_id":47919266169060,"sku":"BDP-02NOIR","price":15.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0760\/4807\/2932\/files\/123_4b4360ef-d6ba-4737-8068-a43659451c1b.jpg?v=1771569224"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0760\/4807\/2932\/collections\/123_1_9d5960a6-49f0-4d0c-9493-c0c15af3fd51.jpg?v=1774541702","url":"https:\/\/www.routesandroads.fr\/en\/collections\/pieces_detachees-transmission-galets_de_derailleur.oembed","provider":"Routes\u0026Roads","version":"1.0","type":"link"}