{"product_id":"rear-derailleur-hanger-replacement-single-lead-m12","title":"Rear Derailleur Hanger Replacement Single Lead M12x1 For F Si Synapse Topstone Slate 2018 Gen Carbon And Alloy Bikes K33049 Substitutes KP419 Keeps Shifting Smooth And Precise Ready To Roll","description":"\u003cdiv\u003eSingle-piece Rear Derailleur Hanger M12x1 for 2018 Synapse\u003cbr\u003e\n✔️ Single lead M12x1 derailleur hanger for 2018 Synapse, 1 piece \u003cp\u003eThis rear derailleur hanger replacement is built for 2018-generation Synapse Carbon, F-Si, Topstone Alloy, and Slate bikes. It’s designed to restore derailleur alignment and maintain precise shifting after impacts or wear.\u003c\/p\u003e ✅ Single lead version with M12x1 threads for 2018 Synapse, F-Si, Topstone, Slate \u003cbr\u003e\n✅ Substitute part is K33040 Hangar; updated KP419 version \u003cbr\u003e\n✅ Original Cannondale hanger for 2018 generation bikes; color black \u003cbr\u003e\n✅ 1 piece replacement; ready to install and ride \u003cbr\u003e \u003cp\u003e💡 What is a derailleur hanger used for?\u003c\/p\u003e\n\u003cp\u003eA handy, general explanation for this bike part: it protects the derailleur and frame and helps keep shifting smooth.\u003c\/p\u003e\n- Keeps derailleur alignment after impacts and protects the frame\u003cbr\u003e\n- Helps maintain precise shifting across gear ranges\u003cbr\u003e\n- Fits common M12x1 thread standards for 2018-gen bikes\u003cbr\u003e\n- Acts as a sacrificial part to protect drivetrain\u003cbr\u003e\n\u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":48522303635691,"sku":"VXB07KT186F7","price":69.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/61HCFYGsZ-L.jpg?v=1779585559","url":"https:\/\/vxb.com\/products\/rear-derailleur-hanger-replacement-single-lead-m12","provider":"VXB Bearings","version":"1.0","type":"link"}