{"product_id":"sram-axs-ultralight-carbon-rear-derailleur-upgrade-kit-d1-e1-compatible-up-to-100g-saved","title":"SRAM AXS Ultralight Carbon Rear Derailleur Upgrade Kit | D1 \/ E1 Compatible | Up to 100g Saved","description":"\u003cp\u003eReduce SRAM AXS rear-derailleur weight with modular prepreg-carbon components rather than replacing the complete motor unit. Red, Force and Rival D1\/E1 configurations, cage choices and individual upgrade parts are detailed below.\u003c\/p\u003e\u003ch3\u003e📌 Compatibility (Upgradeable RDs)\u003c\/h3\u003e\u003cul data-end=\"1677\" data-start=\"1370\"\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eRed D1 AXS\u003c\/strong\u003e: ~298 g ➝ ~235 g\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eForce D1 AXS\u003c\/strong\u003e: ~335 g ➝ ~235 g\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eRival D1 AXS\u003c\/strong\u003e: supported (target ~245–255 g depending on setup)\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eForce D1 XPLR\u003c\/strong\u003e: supported (33T\/36T options)\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eRed E1 AXS\u003c\/strong\u003e: ~282 g ➝ ~220 g\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eForce E1 AXS\u003c\/strong\u003e: ~310 g ➝ ~220 g\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eRival E1 AXS\u003c\/strong\u003e: ~330 g ➝ ~240 g\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cblockquote data-end=\"1771\" data-start=\"1679\"\u003e\u003cp\u003eNote: final weight varies depending on configuration, pulley wheels, and hardware choices.\u003c\/p\u003e\u003c\/blockquote\u003e\u003ch3\u003eConstruction, purpose and ride benefits\u003c\/h3\u003e\u003cp data-end=\"2507\" data-start=\"2351\"\u003e\u003cstrong\u003e33T and 36T cages\u003c\/strong\u003e are available (36T body shipping end of year). \u003cstrong\u003eD1 versions are directly works with 36T cassettes\u003c\/strong\u003e for expanded range setups.\u003cbr\u003e\u003c\/p\u003e\u003cp data-end=\"2349\" data-start=\"2072\"\u003eA full conversion saves \u003cstrong\u003eup to ~100 g\u003c\/strong\u003e, bringing total derailleur weight down to \u003cstrong\u003e~210 g\u003c\/strong\u003e in optimized builds. Because \u003cstrong\u003eForce and Red (D1\/E1) share identical motor units\u003c\/strong\u003e, you can repurpose a Force derailleur into a build lighter than Red OEM at a fraction of the cost.\u003c\/p\u003e\u003cp data-end=\"2070\" data-start=\"1805\"\u003eThe \u003cstrong\u003eSRAM AXS Ultralight Carbon Upgrade Kit\u003c\/strong\u003e is designed for riders chasing every gram. All structural components are crafted from \u003cstrong\u003epremium prepreg carbon\u003c\/strong\u003e, molded at \u003cstrong\u003e20,000 psi\u003c\/strong\u003e, delivering \u003cstrong\u003estrength equal to OEM parts\u003c\/strong\u003e with a major reduction in weight.\u003c\/p\u003e\u003ch3\u003e🔥 Highlights\u003c\/h3\u003e\u003cul data-end=\"1324\" data-start=\"546\"\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eMassive Weight Savings\u003c\/strong\u003e: Full upgrade reduces weight by \u003cstrong\u003eup to ~100 g\u003c\/strong\u003e. Lightest builds as low as \u003cstrong\u003e~210 g\u003c\/strong\u003e (Red\/Force E1).\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003ePremium Carbon Construction\u003c\/strong\u003e: Made from \u003cstrong\u003etop-grade prepreg carbon\u003c\/strong\u003e, formed under \u003cstrong\u003e20,000 psi pressure\u003c\/strong\u003e, ensuring stiffness and durability \u003cstrong\u003eequal to OEM\u003c\/strong\u003e.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eBroad Compatibility\u003c\/strong\u003e: Supports \u003cstrong\u003eSRAM AXS D1 \u0026amp; E1\u003c\/strong\u003e platforms (Red, Force, Rival, including XPLR).\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eModular Options\u003c\/strong\u003e: Choose from \u003cstrong\u003e33T \/ 36T cages\u003c\/strong\u003e, inner \u0026amp; outer arms, link plates, or the complete kit.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003eSmart Upgrade Path\u003c\/strong\u003e: \u003cstrong\u003eForce and Red (D1\/E1) share the same motor\u003c\/strong\u003e – build a superlight RD from a used Force unit, lighter than stock Red!\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003e36T Ready\u003c\/strong\u003e: 36T main cage expected by year-end; \u003cstrong\u003eD1\u003c\/strong\u003e versions are directly compatible with 36T cassettes.\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"marioti","offers":[{"title":"D1 \/ 33T Main Body 4-pc Kit","offer_id":62659779789170,"sku":null,"price":287.0,"currency_code":"USD","in_stock":true},{"title":"D1 \/ 36T Main Body 4-pc Kit (available end of year)","offer_id":62659779821938,"sku":null,"price":287.0,"currency_code":"USD","in_stock":true},{"title":"D1 \/ Hollow Outer Cage — Specify in Order Notes","offer_id":62659779854706,"sku":null,"price":118.0,"currency_code":"USD","in_stock":true},{"title":"D1 \/ Inner Cage","offer_id":62659779887474,"sku":null,"price":86.0,"currency_code":"USD","in_stock":true},{"title":"D1 \/ Cage Pivot Pins (Not Required for RED)","offer_id":62659779920242,"sku":null,"price":25.0,"currency_code":"USD","in_stock":true},{"title":"D1 \/ Carbon Pulley Cage Plate Set — Inner + Outer","offer_id":62659779953010,"sku":null,"price":210.0,"currency_code":"USD","in_stock":true},{"title":"D1 \/ Full Set (includes 1x Carbon Battery Cover)","offer_id":62659779985778,"sku":null,"price":789.9,"currency_code":"USD","in_stock":true},{"title":"E1 \/ 33T Main Body 4-pc Kit","offer_id":62659780018546,"sku":null,"price":287.0,"currency_code":"USD","in_stock":true},{"title":"E1 \/ 36T Main Body 4-pc Kit (available end of year)","offer_id":62659780051314,"sku":null,"price":287.0,"currency_code":"USD","in_stock":true},{"title":"E1 \/ Hollow Outer Cage — Specify in Order Notes","offer_id":62659780084082,"sku":null,"price":118.0,"currency_code":"USD","in_stock":true},{"title":"E1 \/ Inner Cage","offer_id":62659780116850,"sku":null,"price":86.0,"currency_code":"USD","in_stock":true},{"title":"E1 \/ Carbon Pulley Cage Plate Set — Inner + Outer","offer_id":62659780149618,"sku":null,"price":210.0,"currency_code":"USD","in_stock":true},{"title":"E1 \/ Full Set (includes 1x Carbon Battery Cover)","offer_id":62659780182386,"sku":null,"price":789.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0989\/4389\/3874\/files\/sram-axs-ultralight-carbon-upgrade-kit-01.webp?v=1793243562","url":"https:\/\/www.tisparts.com\/products\/sram-axs-ultralight-carbon-rear-derailleur-upgrade-kit-d1-e1-compatible-up-to-100g-saved","provider":"S-PARTS","version":"1.0","type":"link"}