{"product_id":"ceramicspeed-ceramic-alloy-derailleur-pulleys-shimano-12-speed-9250-8150-7150","title":"CeramicSpeed Ceramic Alloy Derailleur Pulleys - Shimano 12-speed 9250\/8150\/7150","description":"\u003cdiv\u003e\n\u003cp\u003eDerailleur pulleys are one of the most overlooked friction points in a drivetrain — the \u003cstrong\u003eCeramicSpeed Ceramic Alloy Derailleur Pulleys for Shimano 12-speed 9250\/8150\/7150\u003c\/strong\u003e address that directly. CeramicSpeed's ceramic bearings sit inside alloy pulley bodies, replacing the stock plastic-bodied wheels with something designed to spin with measurably less resistance and last considerably longer under load.\u003c\/p\u003e\n\n\u003cp\u003eThe kit covers both pulley positions and includes an aluminum spacer kit and oil, so installation is a straightforward bolt-on swap. If you're running Dura-Ace 9250, Ultegra 8150, or 105 7150, these are a \u003cstrong\u003edirect-fit replacement\u003c\/strong\u003e — no modification required.\u003c\/p\u003e\n\n\u003ch3\u003eCeramicSpeed Ceramic Alloy Derailleur Pulleys Specs at a Glance\u003c\/h3\u003e\n\u003cul class=\"specs_at_a_glance\"\u003e\n  \u003cli\u003eCompatibility: Shimano 12-speed — Dura-Ace 9250, Ultegra 8150, 105 7150\u003c\/li\u003e\n  \u003cli\u003ePulley teeth: 11T (x2)\u003c\/li\u003e\n  \u003cli\u003eBearing type: CeramicSpeed ceramic\u003c\/li\u003e\n  \u003cli\u003ePulley body material: Alloy\u003c\/li\u003e\n  \u003cli\u003eIncludes: Two pulleys, aluminum spacer kit, oil\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"CeramicSpeed","offers":[{"title":"Black","offer_id":43509465579564,"sku":"111926","price":305.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/7684\/9196\/files\/ceramicspeed-ceramic-alloy-derailleur-pulleys-shimano-12-speed-925081507150-5172309.jpg?v=1771301711","url":"https:\/\/ricycles.com\/products\/ceramicspeed-ceramic-alloy-derailleur-pulleys-shimano-12-speed-9250-8150-7150","provider":"RA Cycles","version":"1.0","type":"link"}