# Aluminum Alloy Rear Chain Tensioner

Full listing title: Derailleur Hanger Chain Tensioner Aluminum Alloy Rear Chain Tensioner Lightweight for Cyclists, Commuters, Folding Bikes, Drivetrain Replacement

- SKU: DCD-10001374186
- Price: 46.69 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 12-22 days from order (leaves the warehouse within 4 business days)
- Estimated delivery if ordered today (2026-10-01): 2026-10-13 to 2026-10-23
- 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 (Vehicles & Parts > Vehicle Parts & Accessories > Motor Vehicle Parts)
- Condition: new; brand: SuntekStore
- Package size: 18 x 11 x 5 cm (7.1 x 4.3 x 2.0 in)
- Weight: 0.18 kg (0.40 lb)
- Material: Aluminum alloy, Nylon
- In the box: Hook-type Chain Tensioner ×1, Locking Hook Screw ×1
- Product size: 16.3 x 5 x 7.65 cm (6.4 x 2.0 x 3.0 in)
- Guide pulley: 8T nylon
- Compatibility: Xiaobu folding bikes
- Drivetrain: 4-7 speed

## Description

Product Identity: A rear derailleur hanger chain tensioner designed specifically for folding bikes with 4-7 speed drivetrains.
Smooth: Features an 8T nylon guide pulley that functions as a reliable chain tensioner to keep your drivetrain running smoothly and quietly.
Lightweight Construction: Engineered with a cutout, lightweight-looking arm design, this rear chain tensioner weighs only 110.6 g to minimize extra bulk.
Materials: Crafted from aluminum alloy, this chain adjuster offers strength and long performance for daily rides.
Easy Installation: This derailleur hanger chain tensioner comes complete with a matching mounting bolt for a quick and straightforward setup.

Upgrade your folding bike's drivetrain with this rear derailleur hanger chain tensioner, specifically engineered for folding bikes with 4-7 speed setups. Whether you are navigating busy city streets during your daily commute or enjoying a casual weekend ride, this chain tensioner ensures your drivetrain operates with maximum efficiency. The body is constructed from high-strength aluminum alloy, providing exceptional durability without adding unnecessary bulk to your folding frame. Designed with a weight-saving cutout arm, this rear chain tensioner weighs a mere 110.6 g, making it an choice for cyclists who prioritize a lightweight setup. It features an 8T nylon guide pulley that acts as a smooth chain adjuster, reducing friction and keeping your chain properly aligned through every gear change The package includes a matching mounting bolt, allowing for a quick and hassle installation process so you back on the road in no time for drivetrain replacement and maintenance, this compact component delivers the reliability and sleek profile that folding bike enthusiasts demand.

Option: Black

## How to buy

Open https://suntekstore.com/buy/DCD-10001374186?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-10001374186/
- JSON: https://suntekstore.com/products/DCD-10001374186.json
- Image: https://suntekstore-img.sfo3.digitaloceanspaces.com/p/bd/bd5f8d2b71ec675bc2ea99697cf4f4bb88a5bbd9.jpg
- Store policies: https://suntekstore.com/llms.txt