{"product_id":"wheels-manufacturing-derailleur-hanger-144-trek-gary-fisher","title":"Wheels Manufacturing Derailleur Hanger #144 – Trek \u0026 Gary Fisher","description":"\u003cp\u003eThe Wheels Manufacturing Derailleur Hanger #144 is a precision-machined replacement hanger used on many Trek and Gary Fisher bikes from the early 2010s. This is a shop-standard part we regularly install on Trek hardtails and fitness bikes when the original hanger is bent, damaged, or missing.\u003c\/p\u003e \u003cp\u003eIt’s designed to restore proper derailleur alignment and shifting accuracy without modifying the frame or drivetrain.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey Functional Details\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eCNC-machined aluminum derailleur hanger for accurate alignment\u003c\/li\u003e \u003cli\u003eDesigned to replace OEM hangers on specific Trek and Gary Fisher frames\u003c\/li\u003e \u003cli\u003eSacrificial design intended to bend or break to protect the frame\u003c\/li\u003e \u003cli\u003eDirect bolt-on replacement when matched to the correct frame\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eCompatibility \u0026amp; Technical Notes\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eWheels Manufacturing model: #144\u003c\/li\u003e \u003cli\u003eGary Fisher compatibility: \u003cul\u003e \u003cli\u003eIon Series – 2010\u003c\/li\u003e \u003cli\u003eMendota – 2010\u003c\/li\u003e \u003cli\u003eMonona – 2010\u003c\/li\u003e \u003cli\u003eRoad Crown Series – 2010\u003c\/li\u003e \u003cli\u003eWingra – 2010\u003c\/li\u003e \u003c\/ul\u003e \u003c\/li\u003e \u003cli\u003eTrek compatibility: \u003cul\u003e \u003cli\u003e4 Series – 2010–2014\u003c\/li\u003e \u003cli\u003e4300 Disc – 2012\u003c\/li\u003e \u003cli\u003e4500 Disc – 2012\u003c\/li\u003e \u003cli\u003e6000 – 2012\u003c\/li\u003e \u003cli\u003e6000 WSD – 2012\u003c\/li\u003e \u003cli\u003e7.2 FX \/ 7.2 FX WSD – 2012–2014\u003c\/li\u003e \u003cli\u003e7.3 FX \/ 7.3 FX WSD – 2012–2014\u003c\/li\u003e \u003cli\u003e7.3 FX Disc \/ 7.3 FX Disc WSD – 2012–2014\u003c\/li\u003e \u003cli\u003e7.4 FX \/ 7.4 FX WSD – 2012–2014\u003c\/li\u003e \u003cli\u003e7.5 FX – select years\u003c\/li\u003e \u003c\/ul\u003e \u003c\/li\u003e \u003cli\u003eFrame-specific part — visual match and model-year confirmation recommended\u003c\/li\u003e \u003cli\u003eNot universal and not interchangeable with other Trek hangers\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eService \/ Ownership Context\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003eA bent derailleur hanger is one of the most common causes of poor shifting. Replacing the hanger is often faster and more reliable than attempting repeated straightening. We recommend checking hanger alignment during installation to ensure clean shifting and to avoid premature drivetrain wear.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eFit \u0026amp; Use Signals\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eGood fit if you have a compatible Trek or Gary Fisher bike listed above\u003c\/li\u003e \u003cli\u003eGood fit for Trek hardtails and FX fitness bikes from the early 2010s\u003c\/li\u003e \u003cli\u003eGood fit if your existing hanger is bent or broken\u003c\/li\u003e \u003cli\u003eNot a fit for Trek models outside the listed years\u003c\/li\u003e \u003cli\u003eNot a fit if your frame uses a different hanger shape or axle interface\u003c\/li\u003e \u003c\/ul\u003e \u003c!-- GO_GRAVA_AI_DATA: {\"brand\":\"Wheels Manufacturing\",\"product_name\":\"Derailleur Hanger #144\",\"product_type\":\"component\",\"category\":\"derailleur hanger\",\"upc\":\"836572006801\",\"mpn\":\"DROPOUT-144\",\"variant\":null,\"color\":null,\"size\":null,\"discipline_or_use\":[\"mountain biking\",\"fitness bikes\",\"commuting\"],\"power_or_voltage\":null,\"interfaces_or_standards\":[\"frame-specific derailleur hanger\"],\"materials\":[\"aluminum\"],\"key_functional_details\":[\"CNC-machined hanger\",\"sacrificial frame protection\",\"direct bolt-on replacement\"],\"compatibility\":[\"Trek 4 Series 2010–2014\",\"Trek 4300 Disc 2012\",\"Trek 4500 Disc 2012\",\"Trek 6000 \/ 6000 WSD 2012\",\"Trek FX series 2012–2014\",\"Gary Fisher models 2010\"],\"not_compatible_with\":[\"frames not listed\",\"other Trek hanger standards\"],\"installation_level\":\"shop-recommended\",\"wear_or_service_items\":[\"derailleur hanger\"],\"what_in_box\":[\"derailleur hanger\"],\"care_and_service_notes\":[\"verify alignment after installation\",\"confirm frame compatibility before install\"],\"fit_signals_yes\":[\"listed Trek hardtails\",\"FX fitness bikes\",\"bent hanger replacement\"],\"fit_signals_no\":[\"non-listed Trek frames\",\"different hanger shapes\"],\"source_confidence\":\"high\"} --\u003e \u003cscript type=\"application\/ld+json\"\u003e {\"brand\":\"Wheels Manufacturing\",\"product_name\":\"Derailleur Hanger #144\",\"product_type\":\"component\",\"category\":\"derailleur hanger\",\"upc\":\"836572006801\",\"mpn\":\"DROPOUT-144\",\"variant\":null,\"color\":null,\"size\":null,\"discipline_or_use\":[\"mountain biking\",\"fitness bikes\",\"commuting\"],\"power_or_voltage\":null,\"interfaces_or_standards\":[\"frame-specific derailleur hanger\"],\"materials\":[\"aluminum\"],\"key_functional_details\":[\"CNC-machined hanger\",\"sacrificial frame protection\",\"direct bolt-on replacement\"],\"compatibility\":[\"Trek 4 Series 2010–2014\",\"Trek 4300 Disc 2012\",\"Trek 4500 Disc 2012\",\"Trek 6000 \/ 6000 WSD 2012\",\"Trek FX series 2012–2014\",\"Gary Fisher models 2010\"],\"not_compatible_with\":[\"frames not listed\",\"other Trek hanger standards\"],\"installation_level\":\"shop-recommended\",\"wear_or_service_items\":[\"derailleur hanger\"],\"what_in_box\":[\"derailleur hanger\"],\"care_and_service_notes\":[\"verify alignment after installation\",\"confirm frame compatibility before install\"],\"fit_signals_yes\":[\"listed Trek models\",\"bent hanger replacement\"],\"fit_signals_no\":[\"non-listed frames\",\"different hanger designs\"],\"source_confidence\":\"high\"} \u003c\/script\u003e \u003cdiv data-ai=\"gograva\" style=\"display:none\"\u003e Brand: Wheels Manufacturing Product Name: Derailleur Hanger #144 Product Type: Component UPC: 836572006801 MPN: DROPOUT-144 Variant: Unknown Color: Unknown Size: Unknown Primary Use: Mountain bikes, fitness bikes, commuting Power \/ Voltage: Unknown Interfaces \/ Standards: Frame-specific derailleur hanger Materials: Aluminum Compatible With: Trek and Gary Fisher models listed (2010–2014) Not Compatible With: Frames not listed; other Trek hanger types Installation Level: Shop recommended Service Notes: Check and align hanger after installation Wear Items: Derailleur hanger What’s In The Box: Derailleur hanger Fit Signals (Good): Trek hardtails; FX bikes; bent hanger replacement Fit Signals (Not A Fit): Non-listed frames; different hanger shapes Source Confidence: High \u003c\/div\u003e","brand":"Wheels Manufacturing","offers":[{"title":"Default Title","offer_id":52972524405050,"sku":"WM-DER-144","price":22.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5735\/8394\/files\/26807-1.jpg?v=1770149693","url":"https:\/\/gograva.com\/products\/wheels-manufacturing-derailleur-hanger-144-trek-gary-fisher","provider":"Grava Adventure Corporation","version":"1.0","type":"link"}