{"product_id":"trek-electra-disc-rear-derailleur-hanger-w524188","title":"Trek-Electra Disc Rear Derailleur Hanger 142x12mm Thru Axle","description":"\u003cdiv class=\"product-description\"\u003e\n\u003ch2\u003eTrek-Electra Disc Rear Derailleur Hanger – 142x12mm Thru Axle (W524188)\u003c\/h2\u003e\n\u003cp\u003eGenuine Trek replacement rear derailleur hanger for Trek and Electra disc-brake frames built around a \u003cstrong\u003e142x12mm thru axle\u003c\/strong\u003e. The hanger is the sacrificial alloy link between your frame and rear derailleur — it is designed to bend or snap in a crash so the frame and the derailleur don't. Fitting the correct hanger restores derailleur alignment and clean, accurate shifting.\u003c\/p\u003e\n\n\u003ch3\u003eKey details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrek part number:\u003c\/strong\u003e W524188\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLocation:\u003c\/strong\u003e Rear, drive side\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDropout \/ axle standard:\u003c\/strong\u003e 142x12mm thru axle\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAttachment:\u003c\/strong\u003e 2-bolt\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Trek \/ Electra (genuine part)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColour:\u003c\/strong\u003e Black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Alloy — designed to fail before your frame does\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich bikes does this hanger fit?\u003c\/h3\u003e\n\u003cp\u003eThis is the disc-brake road hanger Trek used across its 142x12mm thru-axle road platforms from roughly \u003cstrong\u003e2017 to 2023\u003c\/strong\u003e. It is most commonly fitted to:\u003c\/p\u003e\n\n\u003ch4\u003eTrek Domane\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eDomane SLR Disc — 2017–2019\u003c\/li\u003e\n\u003cli\u003eDomane SL Disc (thru axle) — 2017–2019\u003c\/li\u003e\n\u003cli\u003eDomane ALR Disc — 2018–2019\u003c\/li\u003e\n\u003cli\u003eDomane SL \/ SLR — 2020–2022\u003c\/li\u003e\n\u003cli\u003eDomane SL \/ SLR Gen 4 — 2023\u003c\/li\u003e\n\u003cli\u003eDomane+ LT and Domane+ HP — 2020–2021\u003c\/li\u003e\n\u003cli\u003eDomane+ SLR — 2023\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eTrek Émonda\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eÉmonda SLR Disc — 2018–2019\u003c\/li\u003e\n\u003cli\u003eÉmonda SL Disc — 2018–2019\u003c\/li\u003e\n\u003cli\u003eÉmonda ALR Disc — 2019\u003c\/li\u003e\n\u003cli\u003eÉmonda SL \/ SLR — 2021\u003c\/li\u003e\n\u003cli\u003eÉmonda ALR — 2023\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eTrek Madone\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eMadone SLR Disc — 2019–2021\u003c\/li\u003e\n\u003cli\u003eMadone SL Disc — 2019–2021\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eTrek Boone\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eBoone — 2018–2019\u003c\/li\u003e\n\u003cli\u003eBoone — 2022\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eElectra\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eElectra disc models using the same 2-bolt, 142x12mm thru-axle hanger — this is the shared Trek\/Electra part\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow to check you've got the right one\u003c\/h3\u003e\n\u003cp\u003eTrek uses different hangers across model generations and axle standards, and the model list above is a guide rather than a guarantee — Trek doesn't publish an official fitment list for this part. Check your bike against all three of these:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRear axle is a \u003cstrong\u003e12mm thru axle\u003c\/strong\u003e with \u003cstrong\u003e142mm\u003c\/strong\u003e spacing (not quick release, not 148mm Boost)\u003c\/li\u003e\n\u003cli\u003eThe hanger bolts on with \u003cstrong\u003etwo bolts\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eThe hanger is a separate bolt-on piece on the \u003cstrong\u003edrive side\u003c\/strong\u003e, not a sliding dropout or a UDH\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIf your Trek uses SRAM's Universal Derailleur Hanger (UDH), or has a sliding\/adjustable dropout, this is not the right part — talk to us and we'll get you the correct one.\u003c\/p\u003e\n\n\u003cp\u003eStill not sure? Bring the bike or the old hanger in to \u003cstrong\u003eMackay Cycles\u003c\/strong\u003e, or send us your frame serial number and we'll confirm it for you. Our workshop can fit and align it while you wait.\u003c\/p\u003e\n\n\u003cp\u003eFind this part and more at \u003cstrong\u003eMackay Cycles\u003c\/strong\u003e, your trusted local bike store.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- HIDDEN TEXT --\u003e\n\u003cdiv style=\"color: white; font-size: 0px;\"\u003eCorry Giant Mackay Townsville Rockhampton Trek Specialized Merida Norco Trance Bike Store Bicycle Mountain Trail Mackay (CBD), East Mackay, West Mackay, South Mackay, North Mackay, Andergrove, Beaconsfield, Eimeo, Blacks Beach, Bucasia, Rural View, Dolphin Heads, Shoal Point, Paget, Ooralea, Bakers Creek, Rosella, Te Kowai, Walkerston, Glenella, Mount Pleasant, Erakala, Farleigh, Slade Point, Habana, Cape Hillsborough, Marian, Mirani, Finch Hatton, Seaforth, Sarina, Hay Point, Alligator Creek, Gracemere, Rockhampton, Kirwan, Townsville, Yeppoon, Bowen, Charters Towers, Magnetic Island, Great Barrier Reef, Heron Island, North West Island, Gladstone, Biloela, Alpha, Palm Island, Rollingstone, Balgal Beach, Toomulla, Bluewater, Toolakea, Saunders Beach, Yabulu, Black River, Hervey Range, Bushland Beach, Jensen\u003c\/div\u003e","brand":"Trek","offers":[{"title":"Default Title","offer_id":47692208406699,"sku":"W524188","price":50.0,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2296\/1883\/files\/24291_A_1_Trek_Domane_Derailleur_Hanger_Rear.png?v=1787705230","url":"https:\/\/www.mackaycycles.com.au\/products\/trek-electra-disc-rear-derailleur-hanger-w524188","provider":"Mackay Cycles","version":"1.0","type":"link"}