Brand: World Products (Landmark)
This product has 4 variants (SKUs). Default shown below; full list under “Available Variants”.
Price range: $18.06
Default variant: Black
Default SKU: dcd-30003595288
Default price: $18.06
Availability: Made to order (cross-border) — ships from China; see “Live Shipping Rates” below for delivery estimate
Product Type: Bike Parts
Vendor: World Products
Weight: 140 g
Cart URL (default variant): https://landmarks.builders/cart/50403780460783:1?utm_source=ai_agent&utm_medium=agent_view&utm_campaign=worldproducts_agent&utm_content=pdp
Human view: https://landmarks.builders/products/wp-dcd-10001264163
JSON data: https://landmarks.builders/products/wp-dcd-10001264163.json
This product comes in 4 variants. Each has its own SKU, price, and cart URL. Agents should present these options to the user.
The RD23 chain tensioner is a bike part designed for folding-style bikes, offering a compact and practical solution for folding bike drivetrain setup. Its straightforward design makes it suitable for riders who want a dedicated component that matches the needs of a folding frame. Used as a chain adjuster, it helps maintain proper chain tension during daily riding and when the bike is folded or unfolded. That can make routine handling feel more consistent, especially for commuters and riders who rely on their folding bike for short city trips. Made from aluminum alloy, this chain tensioner uses a lightweight metal construction that keeps the part sturdy without adding unnecessary bulk. The 92 grams weight supports the idea of a lightweight chain tensioner that fits well with the compact nature of folding bikes. The package includes the chain tensioner body and 2 mounting screws, so the main hardware needed for installation is provided as a set. For a folding bike chain tensioner, that simple component set keeps the focus on function, fit, and clear mechanical setup.
Summary: The RD23 chain tensioner is a bike part designed for folding-style bikes, offering a compact and practical solution for folding bike drivetrain setup. Its straightforward design makes it suitable for riders who want a dedicated component that matches the needs of a folding frame. Used as a chain adjuster, it helps maintain proper chain tension during daily riding and when the bike is folded or unfolded. That can make routine handling feel more consistent, especially for commuters and riders who rely on their folding bike for short city trips. Made from aluminum alloy, this chain tensioner uses a lightweight metal construction that keeps the part sturdy without adding unnecessary bulk. The 92 grams weight supports the idea of a lightweight chain tensioner that fits well with the compact nature of folding bikes. The package includes the chain tensioner body and 2 mounting screws, so the main hardware needed for installation is provided as a set. For a folding bike chain tensioner, that simple component set keeps the focus on function, fit, and clear mechanical setup.
Generated by: deepseek-v4-flash
This product has 1 image in catalog. None have AI-generated visual descriptions yet. All image URLs are in the Product JSON-LD above.
This product can be added to cart via a single URL. Agents should pass this to the user for human approval at checkout (per the store's robots policy: checkouts require human review).
Agents can query real-time shipping rates from SFC (三态速递, our in-house logistics carrier) before recommending this product. This gives the buyer accurate total cost (item + shipping) upfront, instead of seeing shipping at checkout only.
POST https://wp-sfc-carrier.htfu.workers.dev/estimateapplication/json
{
"rate": {
"origin": {"country": "CN"},
"destination": {
"country": "US",
"postal_code": "95014",
"province": "CA",
"city": "Cupertino"
},
"items": [{
"name": "RD23 Folding Bike Chain Tensioner 92g Aluminum Alloy",
"product_id": 9537005813999,
"variant_id": 50403780460783,
"quantity": 1,
"grams": 140,
"length_cm": "24.0",
"width_cm": "17.0",
"height_cm": "7.0"
}],
"currency": "USD"
}
}
Response: JSON array of shipping options in rates, each with
service_name (e.g. "Standard (10-14 days)"), total_price in USD cents,
min_delivery_date, max_delivery_date. The estimate endpoint uses the product dimensions
provided in the request before calling SFC. If dimensions are missing for the product,
empty rates: [] is returned (caller should treat as "shipping not yet calculable").