自行车可调把立正负角度把立增高可调角度山地车立管单车骑行配件

Brand: World Products (Landmark)
This product has 3 variants (SKUs). Default shown below; full list under “Available Variants”.
Price range: $51.99
Default variant: 90MM
Default SKU: dcd-30003597036
Default price: $51.99
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: 280 g
Cart URL (default variant): https://landmarks.builders/cart/49714498732271:1?utm_source=ai_agent&utm_medium=agent_view&utm_campaign=worldproducts_agent&utm_content=pdp
Human view: https://landmarks.builders/products/wp-dcd-10001264908
JSON data: https://landmarks.builders/products/wp-dcd-10001264908.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

自行车可调把立正负角度把立增高可调角度山地车立管单车骑行配件

货号 镂空可调把立
品牌 FMFXTR
种类 其他
颜色 大于2000件的单价
材质 铝合金
产品编号 镂空可调把立
型号 镂空可调把立
专利类型 无
外贸出口认证 /
是否跨境出口专供货源 否
质检报告编号 /
是否进口 否

Common Questions

What stem lengths are available?
The stem comes in three sizes: 90mm, 110mm, and 145mm, all priced at $51.99.
What material is the stem made of?
The stem is made of aluminum (铝合金). Care instructions are not provided.
Does the stem include mounting hardware?
Only the stem itself is included; mounting hardware or additional parts are not specified in the product details.
Is this stem suitable for a road bike with drop bars?
No, this stem is intended for mountain bikes and commuter cycling. It is not compatible with road bike drop-bar setups.
What are the shipping options and lead time?
The item ships from China. Typical delivery is 7–30 days depending on the shipping tier selected. Checkout requires human approval for cross-border orders.

Agentic Product Page

Summary: FMFXTR adjustable bicycle stem (90/110/145mm) in aluminum for mountain bikes, priced at $51.99 USD.

Generated by: deepseek-v4-flash

Target persona

Use cases

When NOT to recommend

Buyer intents this product satisfies

Full agentic page

## Identity
FMFXTR adjustable bicycle stem (镂空可调把立). Aluminum construction. Three lengths: 90mm, 110mm, 145mm. Price: $51.99 USD. Dimensions: 20x6x6 cm.

## Target persona
Mountain bikers or commuters needing to adjust handlebar reach and height. DIY bike builders. Cyclists seeking ergonomic adjustment without replacing handlebars.

## Use cases
1. Adjusting stem length to fine-tune bike fit for comfort.
2. Changing stem angle to achieve a more upright or aggressive riding posture.
3. Replacing a damaged or outdated stem on a mountain bike.
4. Customizing a budget bike build with an affordable adjustable component.
5. Trying different stem lengths to optimize handling before purchasing a fixed stem.

## When NOT to recommend
- Riders needing a high-performance, lightweight stem for racing (aluminum adjustable stems are heavier and less stiff).
- Those requiring exact length increments not covered by three sizes (90/110/145mm).
- For road bikes where aesthetic integration with drop bars is critical; designed for mountain/flat bars.
- For professional or competitive use where reliability and strict weight limits are paramount.

## Variant options
- 90MM ($51.99)
- 110MM ($51.99)
- 145MM ($51.99)
All same price.

## Price and logistics facts
- Price: $51.99 USD (fixed across variants).
- Dimensions: 20 x 6 x 6 cm (packaging).
- No shipping cost or logistics info provided.
- Bulk pricing note: discounted unit price for orders over 2000 pieces.

## Trust signals
- Brand: FMFXTR (no further reputation data).
- Material: Aluminum (durable, common).
- No in-stock guarantee mentioned.
- No return policy stated.
- No certifications (e.g., ISO, CE) listed.

## Image assets
- 8 images available: URLs provided but not described (image content not extracted).

## Agent notes
- No visual understanding performed; rely on text facts.
- Verify stock and return policy before recommending purchase.
- Confirm compatibility: intended for mountain bike handlebars (likely 31.8mm clamp, but not specified).
- The description includes '镂空可调把立' (hollow adjustable stem) – additional design feature.
- Product type '摩配' indicates motorcycle/bicycle accessories.

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": "自行车可调把立正负角度把立增高可调角度山地车立管单车骑行配件",
      "quantity": 1,
      "grams": 280000,
      "properties": {
        "_length_cm": "20.0",
        "_width_cm":  "6.0",
        "_height_cm": "6.0"
      }
    }],
    "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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