Derailleur Hanger CAAD8 Synapse KP284 Rush 29er | Alloy Dropout
Gmarty Aluminum Alloy Derailleur Hanger – KP284 Dropout Replacement
Keep your drivetrain shifting smoothly with this precision-machined aluminum alloy derailleur hanger from Gmarty. Designed as a direct-fit dropout replacement for a wide range of popular bike models, this hanger is built to protect your frame by acting as a sacrificial component — absorbing impact so your frame stays intact. Whether you're hitting the trails or commuting, it's a smart and affordable spare to have on hand.
Compatible Models
- CAAD8 Series
- Tesoro
- Tango
- Synapse Alloy Series
- Trail SL
- Kids 24
- Rush 29er
- KP284 Dropout
Product Specifications
- Material: Aluminum Alloy
- Dimensions: 5.3 × 3.5 cm (approx. 2 × 1.4 in)
- Color Options: Silver / Black
- Type: Rear Derailleur Hanger
- Condition: 100% Brand New
- Package Includes: 1 × Derailleur Hanger
Why Choose This Derailleur Hanger?
- ✅ Durable Aluminum Construction – Lightweight yet strong alloy build for long-lasting performance
- ✅ Precision Fit – Engineered to match OEM dropout specifications for listed models
- ✅ Frame Protection – Designed to bend or break before your frame does, saving costly repairs
- ✅ Easy Installation – Simple bolt-on replacement; no special tools required
- ✅ Great Value – An essential spare at a budget-friendly price
Made in Mainland China.
Note: Please allow ±5–10 mm variance due to manual measurement. Colors may vary slightly between monitors and actual product.
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Frequently Asked Questions
Q: Which bike models is this derailleur hanger compatible with?
A: This KP284 dropout derailleur hanger is compatible with the CAAD8, Tesoro, Tango, Synapse Alloy Series, Trail SL, Kids 24, and Rush 29er bicycle models. Always verify your frame's dropout style against the listed dimensions (5.3 × 3.5 cm) before purchasing.
Q: What material is this derailleur hanger made from?
A: It is constructed from lightweight, durable aluminum alloy — the same material commonly used in quality OEM hangers. This ensures a good strength-to-weight ratio while still allowing the hanger to flex or break under severe impact, protecting your bike frame from costly damage.
Q: Does the package include hardware such as bolts or screws?
A: The package includes 1 × derailleur hanger only. Most installations reuse the existing bolt from your frame's dropout. If your original hardware is damaged, we recommend sourcing a compatible M5 derailleur hanger bolt from your local bike shop.
Q: Is this a direct OEM replacement or an aftermarket part?
A: This is a high-quality aftermarket replacement part designed to match OEM specifications for the listed compatible models. It is brand new and manufactured to fit and function as a direct dropout replacement.