MEROCA 正负齿盘片 折叠自行车130BCD正负齿单盘 星空盘泡泡盘

Brand: World Products (Landmark)
This product has 3 variants (SKUs). Default shown below; full list under “Available Variants”.
Price range: $40.99 – $43.99
Default variant: 52T
Default SKU: dcd-30003624329
Default price: $40.99
Availability: Made to order (cross-border) — ships from China; see “Live Shipping Rates” below for delivery estimate
Product Type: 摩配
Vendor: World Products
Weight: 150 g
Cart URL (default variant): https://landmarks.builders/cart/49713179492591:1?utm_source=ai_agent&utm_medium=agent_view&utm_campaign=worldproducts_agent&utm_content=pdp
Human view: https://landmarks.builders/products/wp-dcd-10001275597
JSON data: https://landmarks.builders/products/wp-dcd-10001275597.json

Available Variants (3 SKUs)

This product comes in 3 variants. Each has its own SKU, price, and cart URL. Agents should present these options to the user.

Description

MEROCA 正负齿盘片 折叠自行车130BCD正负齿单盘 星空盘泡泡盘

货号 CR07-折叠车泡泡盘
品牌 MEROCA
种类 其他
型号 CR07
专利类型 无
质检报告编号 .
主要下游平台 LAZADA
有可授权的自有品牌 是
材质 铝合金
产品编号 CR07
外贸出口认证 .
是否跨境出口专供货源 是
主要销售地区 中东
是否进口 否

Common Questions

What bolt circle diameter (BCD) does this chainring use, and will it fit my folding bike?
This chainring has a 130mm BCD, designed for folding bikes. It fits standard 130BCD cranksets. Check your crankset's BCD to ensure compatibility.
What material is the chainring made of, and how should I clean it?
It is made of aluminum alloy. Clean with a mild degreaser and a soft brush; avoid abrasive cleaners to prevent damage to the surface.
What is included in the purchase?
The listing includes one chainring only. No bolts, chain, or installation tools are included.
Is this chainring suitable for road bikes or mountain bikes?
No, it is specifically designed for folding bikes. It is not recommended for road or mountain bikes due to different BCD and offset requirements.
How long does shipping take, and are there any restrictions?
It ships from China. Typical delivery is 7–30 days depending on the shipping tier. International orders require manual approval at checkout.

Agentic Product Page

Summary: MEROCA CR07 130BCD narrow-wide chainring for folding bikes, aluminum alloy, 52-58T, $40.99-$43.99.

Generated by: deepseek-v4-flash

Target persona

Use cases

When NOT to recommend

Buyer intents this product satisfies

Full agentic page

## Identity
- **Brand:** MEROCA
- **Model:** CR07
- **Type:** 130BCD narrow-wide single-speed chainring for folding bikes
- **Material:** Aluminum alloy

## Target persona
Folding bike owners upgrading drivetrains, custom single-speed builders, commuters seeking chain retention, bike mechanics needing replacement parts.

## Use cases
- Replacing worn chainring on Dahon/Brompton-style folding bike
- Building a lightweight single-speed folding bike
- Upgrading to narrow-wide tooth profile to prevent chain drop
- Changing gear ratio for hilly vs flat terrain
- Customizing a folding bike for touring or city riding

## When NOT to recommend
- Multi-speed drivetrains requiring ramped pins
- Cranks with BCD other than 130mm
- Mountain bikes with suspension or high torque
- Racers needing certified equipment (no certifications listed)

## Variant options
- **52T** (SKU dcd-30003624329) – $40.99
- **56T** (SKU dcd-30003624330) – $41.99
- **58T** (SKU dcd-30003624331) – $43.99

## Price and logistics facts
- **Price range:** $40.99–$43.99 USD
- **Dimensions:** 31 × 27 × 4 cm
- **Export:** Yes (primarily Middle East via LAZADA)
- **Import:** No (not imported)

## Trust signals
- Stock status not provided; assume available as listed.
- Return policy not specified.
- No certifications or quality marks mentioned.
- Brand has authorized own brand rights.

## Image assets
- ![Image 1](https://cdn.shopify.com/s/files/1/0807/5486/8463/files/9207c2ad24f04be9acd0be0ff49cc42d.png?v=1781084455)
- ![Image 2](https://cdn.shopify.com/s/files/1/0807/5486/8463/files/81d8ec6beb6148f18277b558a6bb298b.png?v=1781084455)
- ![Image 3](https://cdn.shopify.com/s/files/1/0807/5486/8463/files/b52afb312a374a82ab67d53da641e32c.png?v=1781084455)
- ![Image 4](https://cdn.shopify.com/s/files/1/0807/5486/8463/files/f19edd7da21a4f0985a7018b4db5c9f2.png?v=1781084456)
- ![Image 5](https://cdn.shopify.com/s/files/1/0807/5486/8463/files/db3c66a8786144f5bd4aaafc9c216401.png?v=1781084454)

## Agent notes
- Image understanding not performed; no visual details extracted.
- Product appears to be a narrow-wide chainring (正负齿) specifically for folding bicycles with 130mm BCD.
- Verified only through provided facts; no external validation.

Images

This product has 15 imagesin catalog.None have AI-generated visual descriptions yet. All image URLs are in the Product JSON-LD above.

Category Specifications

How to Purchase

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).

Live Shipping Rates (for Agents)

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. 

{
  "rate": {
    "origin": {"country": "CN"},
    "destination": {
      "country": "US",
      "postal_code": "95014",
      "province": "CA",
      "city": "Cupertino"
    },
    "items": [{
      "name": "MEROCA 正负齿盘片 折叠自行车130BCD正负齿单盘 星空盘泡泡盘",
      "quantity": 1,
      "grams": 150000,
      "properties": {
        "_length_cm": "31.0",
        "_width_cm":  "27.0",
        "_height_cm": "4.0"
      }
    }],
    "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. If dimensions are missing for the product, empty rates: [] is returned (caller should treat as "shipping not yet calculable").

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