{"product_id":"chaser-12t-ceramic-rear-derailleur-pulley-wheel","title":"Chaser 12T Ceramic Rear Derailleur Pulley Wheel with Bolt","description":"\u003cp\u003eTiWorks Partner Select: supplied through our cooperation with Chaser, this 12T ceramic pulley wheel complements TiWorks titanium drivetrain bolts and small drivetrain upgrade parts.\u003c\/p\u003e\n\n\u003cp\u003eDesigned for selected Shimano, SRAM, and Campagnolo rear derailleurs, this 12-tooth pulley wheel uses a lightweight CNC-machined 7075-T6 aluminum body with a silicon nitride ceramic bearing. The alternating tooth profile is intended to support stable chain engagement while keeping the pulley easy to clean and visually matched to color-focused bike builds.\u003c\/p\u003e\n\n\u003cp\u003eFitment:\u003cbr\u003e\n- Selected Shimano, SRAM, and Campagnolo rear derailleurs\u003cbr\u003e\n- Compatible with 9 \/ 10 \/ 11 \/ 12-speed chains\u003cbr\u003e\n- Older short-cage rear derailleurs: use as lower pulley only\u003c\/p\u003e\n\n\u003cp\u003eIncluded:\u003cbr\u003e\n- 1 × 12T ceramic derailleur pulley wheel\u003cbr\u003e\n- 1 × pulley bolt\u003c\/p\u003e\n\n\u003cp\u003eSpecifications:\u003cbr\u003e\n- Material: CNC 7075-T6 aluminum\u003cbr\u003e\n- Bearing: silicon nitride ceramic bearing\u003cbr\u003e\n- Tooth count: 12T\u003cbr\u003e\n- Tool interface: Torx T20\u003cbr\u003e\n- Recommended torque: 2–3 Nm\u003cbr\u003e\n- Chaser pulley weight: approx. 10.3 g\u003cbr\u003e\n- Chaser pulley bolt weight: approx. 1.4 g\u003c\/p\u003e\n\n\u003cp\u003eFitment Notes:\u003cbr\u003e\nRear derailleur pulley compatibility depends on cage design, bolt interface, and pulley position. Please confirm your derailleur model before ordering, especially when using older short-cage road derailleurs.\u003c\/p\u003e","brand":"Chaser","offers":[{"title":"Default Title","offer_id":54981782503753,"sku":"TP-017","price":28.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1023\/7837\/3449\/files\/tp-017-main-01.jpg?v=1785635401","url":"https:\/\/tiworks.bike\/products\/chaser-12t-ceramic-rear-derailleur-pulley-wheel","provider":"TiWorks","version":"1.0","type":"link"}