{"product_id":"lifetime-warranty-bicycle-bike-derailleur-hanger-derailleur-bracket-bike-tail-hook-frame-gear-tail-hook-aluminium-alloy-mountain-rear-for-cyclocross-mountain-road-racing-bike-pack-of-2","title":"[Lifetime Warranty] Bicycle Bike Derailleur Hanger Derailleur Bracket Bike Tail Hook Frame Gear Tail Hook Aluminium Alloy Mountain Rear - for Cyclocross, Mountain, Road Racing Bike - Pack of 2","description":"\u003ch2\u003eAluminum Alloy Bicycle Derailleur Hanger - Pack of 2\u003c\/h2\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSacrificial Design:\u003c\/strong\u003e Engineered to bend or break before your expensive bike frame or rear derailleur is damaged during an impact, acting as a \"mechanical fuse\" for your drivetrain.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision CNC Machining:\u003c\/strong\u003e Manufactured from 6061 aluminum alloy to provide the perfect balance of rigidity for crisp shifting and malleability for frame protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal Compatibility:\u003c\/strong\u003e Designed to fit a wide variety of frames across mountain, road, and cyclocross disciplines; available in multiple geometric patterns to match specific dropout shapes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAnodized Finish:\u003c\/strong\u003e Features a corrosion-resistant coating that prevents oxidation and seizing, ensuring the mounting bolts remain removable even after exposure to mud and road salt.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete with Mounting Hardware:\u003c\/strong\u003e Each hanger in the 2-pack typically includes the necessary set screws or bolts for a secure, flush-mount installation to the frame dropout.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReplaces \/ Cross-Reference Part Numbers\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBicycle Tail Hook \/ Frame Gear Tail Hook\u003c\/li\u003e\n\u003cli\u003eRear Mech Hanger Replacement\u003c\/li\u003e\n\u003cli\u003eDropout Adapter Bracket\u003c\/li\u003e\n\u003cli\u003e(Note: Specific part numbers vary by bike brand, e.g., Wheels Mfg #27, Canyon No. 25, etc.)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility \u0026amp; Fitment\u003c\/h3\u003e\n\u003cp\u003eDerailleur hangers are highly specific to the \u003cstrong\u003eshape of the bike frame's dropout\u003c\/strong\u003e. Key considerations include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBicycle Types:\u003c\/strong\u003e Mountain Bikes (MTB), Road Racing, Cyclocross, and Gravel bikes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrame Material:\u003c\/strong\u003e Primarily used on Aluminum, Carbon Fiber, and select Titanium frames.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Styles:\u003c\/strong\u003e Available in 1-bolt, 2-bolt, or 3-bolt configurations depending on the specific \"Tail Hook\" geometry of your bike model.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIdentification:\u003c\/strong\u003e To ensure fitment, visually compare your old hanger to the product image; even slight differences in the \"shoulder\" or bolt placement will prevent installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhen to Replace\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVisible Bend:\u003c\/strong\u003e The rear derailleur looks tilted toward the spokes when viewed from behind. \u003cstrong\u003eNote:\u003c\/strong\u003e Attempting to bend an aluminum hanger back more than once usually results in a snap.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGhost Shifting:\u003c\/strong\u003e The chain jumps between gears or refuses to stay in the smallest or largest cogs despite proper cable tension and derailleur adjustment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImpact\/Crash:\u003c\/strong\u003e If the bike has fallen on the drive-side (the side with the chain), the hanger is likely compromised.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSnapped Hanger:\u003c\/strong\u003e The hanger has completely broken off, leaving the derailleur hanging by the cable.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStripped Threads:\u003c\/strong\u003e The internal threads where the derailleur bolts on are cross-threaded or flattened, preventing a secure connection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation Tips\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCarry a Spare:\u003c\/strong\u003e This is a 2-pack for a reason. Always keep the second hanger in your saddlebag or hydration pack; a broken hanger is a \"ride-ending\" mechanical that can only be temporarily fixed by converting the bike to a singlespeed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean the Dropout:\u003c\/strong\u003e Before installing the new hanger, use a rag and a bit of degreaser to clean the mounting surface on the frame. Any grit trapped behind the hanger will cause shifting issues.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrease the Bolts:\u003c\/strong\u003e Apply a tiny drop of blue thread-locker (Loctite 242) or grease to the mounting screws to prevent them from vibrating loose during rough rides.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCheck the Derailleur:\u003c\/strong\u003e If your hanger broke, your derailleur might also be bent. Inspect the derailleur cage to ensure it is parallel to the wheel after the new hanger is installed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHanger Alignment Tool:\u003c\/strong\u003e For the most precise shifting, use a Hanger Alignment Gauge (DAG) after installation. Even brand-new hangers can be slightly out of alignment due to minor frame variances.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"BlueStarsParts","offers":[{"title":"Default Title","offer_id":46495303860413,"sku":"AZ00225857","price":13.31,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2576\/7548\/files\/AZ00225857_1.jpg?v=1773213041","url":"https:\/\/bluestarsparts.com\/products\/lifetime-warranty-bicycle-bike-derailleur-hanger-derailleur-bracket-bike-tail-hook-frame-gear-tail-hook-aluminium-alloy-mountain-rear-for-cyclocross-mountain-road-racing-bike-pack-of-2","provider":"BlueStars Parts","version":"1.0","type":"link"}