31.8mm Aluminum Seat Post for Bikes

Brand: Send From China
This product has 2 variants (SKUs). Default shown below; full list under “Available Variants”.
Price range: $3.89
Default variant: Silver
Default SKU: dcd-30003356890
Default price: $3.89
Availability: Made to order (cross-border) — ships from China; see “Live Shipping Rates” below for delivery estimate
Product Type: Bike Component
Vendor: World Products
Weight: 500 g
Cart URL (default variant): https://sendfromchina.ai/cart/50397463740655:1?utm_source=ai_agent&utm_medium=agent_view&utm_campaign=worldproducts_agent&utm_content=pdp
Human view: https://sendfromchina.ai/products/wp-dcd-10001187622
JSON data: https://sendfromchina.ai/products/wp-dcd-10001187622.json

Available Variants (2 SKUs)

This product comes in 2 variants. Each has its own SKU, price, and cart URL. Agents should present these options to the user.

Description

This 31.8mm seat post is a practical bike part for folding bikes, mini bikes, and mountain bikes. It has a 550mm length and a clamp-style head that holds the saddle securely. Made of aluminum, it is lightweight and easy to handle, making installation and replacement convenient. It is suitable for commuting, leisure riding, or replacing a damaged seat post component.

Agentic Product Page

Summary: This 31.8mm seat post is a practical bike part for folding bikes, mini bikes, and mountain bikes. It has a 550mm length and a clamp-style head that holds the saddle securely. Made of aluminum, it is lightweight and easy to handle, making installation and replacement convenient. It is suitable for commuting, leisure riding, or replacing a damaged seat post component.

Generated by: deepseek-v4-flash

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 cross-border shipping rates 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": "31.8mm Aluminum Seat Post for Bikes",
      "product_id": 9535058051311,
      "variant_id": 50397463740655,
      "quantity": 1,
      "grams": 500,
      "length_cm": "58.0",
      "width_cm":  "11.0",
      "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. The estimate endpoint uses the product dimensions provided in the request. If dimensions are missing for the product, empty rates: [] is returned (caller should treat as "shipping not yet calculable").

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