A rear derailleur hanger for mountain and road bikes, designed to restore alignment and protect the drivetrain. DEFIYEAR Derailleur Hanger combines aluminium alloy strength with an easy-fit installation so riders can get back on the trail quickly. Does it match your Trek Gary Fisher model and riding needs?
⚡ At a Glance
- • Durability: Aluminium alloy construction keeps the hanger lightweight while resisting wear and impacts
- • Best for: Owners of Trek Gary Fisher bikes needing a direct replacement or upgrade
- • Not ideal for: Frames with non-matching hanger fittings or proprietary mountings where compatibility is unclear
Made from aluminium alloy for a balance of strength and low weight. Supplied screws and model-specific compatibility 322175/318610 simplify replacement and installation.
Long-lasting Strength – With Aluminium Alloy Construction
Aluminium alloy provides a high strength-to-weight ratio, resisting deformation from impacts while remaining light. The material lowers mass on the rear end without sacrificing structural integrity.
A hanger that absorbs impact forces to protect the frame and drivetrain, extending component life and reducing the chance of damage during falls.
Quick Fit Upgrades – Thanks to Included Screws and Model Match
A set of screws is supplied and the hanger is matched to model numbers 322175 and 318610 for precise mating with Trek Gary Fisher dropouts. Exact-fit geometry reduces alignment guesswork.
Straightforward swap with minimal fettling required, letting riders replace or upgrade the hanger without sourcing extra hardware.
Smoother Shifting and Less Noise – With Optimised Geometry
Geometry tuned to reduce lateral friction maintains better chain alignment and decreases contact points that generate noise. Reduced interference means fewer micro-adjustments under load.
Quieter drivetrain and more consistent gear changes, particularly useful when riding rough trails or under heavy pedalling.
✨ The 4 Key Reasons for DEFIYEAR Derailleur Hanger
Aluminium alloy construction - Absorbs impacts and resists wear for long service life
Model-specific fit (322175/318610) - Ensures precise alignment, reducing mis-shifts and chain drops
Included screw kit - Allows quick replacement without sourcing extra hardware
Optimised geometry - Lowers friction and drivetrain noise for smoother shifting
📋 Technical Details at a Glance
- Category: Sports, Rear Derailleur Hanger
- Material: Aluminium alloy
- Compatible models: Trek Gary Fisher, hanger numbers 322175, 318610
- Included hardware: Set of screws for installation
- Applications: Mountain bikes and road bikes
❓ Frequently Asked Questions
Q: Is this hanger compatible with Trek Gary Fisher frames?
A: Compatibility is specified for Trek Gary Fisher with hanger numbers 322175 and 318610, so check those reference numbers to confirm a match.
Q: Are screws included for installation?
A: A set of screws is supplied, making installation straightforward without needing to buy extra mounting hardware.
Q: Can it be used on both mountain and road bikes?
A: Yes, the hanger is described as suitable for various bike types, including mountain and road bikes, for upgrades or repairs.
🏆 Our Verdict
Suitable for riders who need a direct, model-matched replacement or a sturdy upgrade for Trek Gary Fisher frames. Aluminium construction, supplied screws and optimised geometry combine to improve alignment, reduce noise and protect the drivetrain. Durable build and reduced maintenance demands suggest good long-term value for active cyclists.
