# Rear Derailleur Hanger Extension

Full listing title: Rear Derailleur Aluminum Alloy Derailleur Hanger Extension CNC Machined Bike Gear Hanger Extension for Cyclists, Town Biking

- SKU: DCD-10000970550
- Price: 24.69 USD (excludes sales tax; tax calculated at checkout). Price valid until 2026-10-31.
- Availability: In stock (20 available; up to 10 per order)
- Shipping: free standard shipping, United States only; delivered in 22-32 days from order (leaves the warehouse within 4 business days)
- Estimated delivery if ordered today (2026-10-01): 2026-10-23 to 2026-11-02
- Returns: 30 days from delivery for unused items in original packaging; customer pays return shipping unless the item is damaged, defective or not as described; refund to the original payment method within 5 business days of receiving the return (https://suntekstore.com/returns/)
- Category: Garage & Ride (Sporting Goods)
- Condition: new; brand: SuntekStore
- Package size: 8 x 8 x 1.5 cm (3.1 x 3.1 x 0.6 in)
- Weight: 0.03 kg (0.06 lb)
- Material: Aluminum
- Product size: 3.6 x 1.5 x 2.28 cm (1.4 x 0.6 x 0.9 in)

## Description

Sturdy Construction: Crafted from high-strength aluminum alloy, this essential cycle component is fully CNC machined for accurate dimensions, ensuring long durability and reliable performance for your town biking adventures.
Enhanced Compatibility: This drivetrain part is specifically designed to extend the rear derailleur by 12.5mm, allowing you to upgrade your bike with larger cassettes, supporting gear ratios up to 11-34T for improved climbing ability.
Precision Engineering: Experience smoother gear gear changes and optimal chain alignment with this rear derailleur Its accurate CNC manufacturing guarantees a reducing wear on your drivetrain components and improving overall efficiency.
Lightweight Design: Weighing only 7 grams for the itself, this derailleur hanger extension adds minimal weight to your bike, preserving its agility and handling characteristics while significantly boosting its gearing range.
Easy Installation: Upgrade your bike's gearing capabilities with this bike cassette adapter. It comes complete with all necessary mounting screws, making it a straightforward modification for cyclists looking to tackle steeper hills and varied terrain.

Enhance your ride with this high-performance Rear Derailleur an essential cycle component for any dedicated cyclist. Crafted from a single piece of high-strength aluminum alloy and finished with precision CNC machining, this is built to withstand the rigors of daily use, whether you're commuting through towns or discovering new paths. Its sturdy construction ensures a optimal, secure fit and long reliability.

This drivetrain part is engineered to solve a common problem for cyclists wanting more range. By extending the rear derailleur's position by 12.5mm, it creates the necessary clearance to install larger cassettes, supporting versatile-range gearing up to 11-34T. This simple modification transforms your bike's climbing ability, making steep inclines feel more manageable and expanding the terrain you can conquer. Imagine effortlessly pedaling up hills that once seemed daunting.

The lightweight design is a key feature, with the itself weighing a mere 7 grams. This derailleur hanger extension provides a significant performance boost without adding noticeable weight, ensuring your bike stays nimble and responsive. The package includes all the necessary mounting hardware, allowing for a straightforward installation process so you can get back on the road quickly. This bike cassette adapter is the optimal solution for optimizing your bike for performance and versatility.

Option: Extender

## How to buy

Open https://suntekstore.com/buy/DCD-10000970550?qty=1 (change qty to 1-10). It redirects to Stripe Checkout; the shopper enters a US shipping address and pays there. No account or cart needed.

## Links

- Product page: https://suntekstore.com/p/DCD-10000970550/
- JSON: https://suntekstore.com/products/DCD-10000970550.json
- Image: https://suntekstore-img.sfo3.digitaloceanspaces.com/p/b0/b0cc6aae41a78e2f38b8aa11696faf7e0f5bda5d.jpg
- Store policies: https://suntekstore.com/llms.txt
