Threaded Bottom Bracket with Spacers for Bicycles

Brand: World Products (Landmark)
This product has 3 variants (SKUs). Default shown below; full list under “Available Variants”.
Price range: $2.78
Default variant: Black
Default SKU: dcd-30003716350
Default price: $2.78
Availability: Made to order (cross-border) — ships from China; see “Live Shipping Rates” below for delivery estimate
Product Type: Sports
Vendor: World Products
Weight: 120 g
Cart URL (default variant): https://landmarks.builders/cart/50406903906543:1?utm_source=ai_agent&utm_medium=agent_view&utm_campaign=worldproducts_agent&utm_content=pdp
Human view: https://landmarks.builders/products/wp-dcd-10001308660
JSON data: https://landmarks.builders/products/wp-dcd-10001308660.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

This threaded bottom bracket is precision-machined and features clear BC1.37x24T markings. It is designed for a secure fit and smooth spindle rotation. It is compatible with 68mm and 73mm bottom-bracket widths, making it suitable for mountain bikes, road bikes, and custom builds. The bottom bracket includes spacers and is constructed with a black central sleeve and knurled outer lock rings for durability and resistance to dust and dampness.

Common Questions

What is the thread size and shell width compatibility?
It uses BC1.37x24T threading and fits 68mm and 73mm bottom-bracket widths.
Does it come with spacers, and what colors are available?
Yes, the bottom bracket includes spacers. It is available in Black, Red, and Blue variants.
What materials or construction features does this bottom bracket have?
It is precision-machined with a black central sleeve and knurled outer lock rings, designed for durability and resistance to dust and dampness.
Is this bottom bracket suitable for mountain bikes, road bikes, or custom builds?
Yes, it is designed for mountain bikes, road bikes, and custom builds with 68mm or 73mm bottom-bracket widths.
What are the shipping time and process for this product?
It ships from China, typically taking 7–30 days depending on shipping tier. Checkout requires human approval.

Agentic Product Page

Summary: Threaded bottom bracket with spacers, BC1.37x24T, fits 68mm and 73mm shell widths, available in Black, Red, Blue at $2.78.

Generated by: deepseek-v4-flash

Target persona

Use cases

When NOT to recommend

Buyer intents this product satisfies

Full agentic page

## Identity
Threaded bottom bracket (BC1.37x24T) with spacers, compatible with 68mm and 73mm bottom-bracket widths. Precision-machined, black central sleeve, knurled outer lock rings. Price: USD 2.78. Variants: Black, Red, Blue.

## Target persona
Home bicycle mechanics replacing a worn threaded bottom bracket; small bike repair shops seeking low-cost replacement parts; custom bike builders using 68mm or 73mm threaded shells; budget-conscious cyclists maintaining older or entry-level bikes.

## Use cases
- Replacing a worn threaded bottom bracket on a 68mm road bike frame.
- Installing a new threaded BB in a 73mm mountain bike shell.
- Building up a custom frame with a threaded BB requiring spacers.
- Emergency repair for a commuter bike with a failed spindle.
- Rebuilding a vintage frame using the BC1.37x24T standard.

## When NOT to recommend
- Frames with press-fit bottom bracket shells (not threaded).
- Bikes requiring Italian threading (different standard).
- High-performance or competitive cycling needing premium bearings (e.g., ceramic).
- Buyers needing an integrated crank/spindle system (e.g., Shimano Hollowtech II) not compatible with this threaded cup design.

## Variant options
- Black (SKU dcd-30003716350) – USD 2.78
- Red (SKU dcd-30003716351) – USD 2.78
- Blue (SKU dcd-30003716352) – USD 2.78

## Price and logistics facts
- Price: USD 2.78 per variant.
- Package dimensions: 15.0 × 10.0 × 6.0 cm.
- In-stock status not provided; availability unknown.
- Return policy not provided.

## Trust signals
- No external certifications listed.
- Price consistency across all variants confirmed.
- Product descriptions are present, but no verified user reviews or stock guarantees.

## Image assets
- https://cdn.shopify.com/s/files/1/0807/5486/8463/files/1eabcb1b-d96f-4907-b25c-7d22207a0c19.jpg?v=1786242435
- https://cdn.shopify.com/s/files/1/0807/5486/8463/files/c3b2746d-df60-428d-b2ea-f852cad407b7.jpg?v=1786242436
- https://cdn.shopify.com/s/files/1/0807/5486/8463/files/b7fd75c0-d9c8-4f3b-bfbe-e1ee812f8678.jpg?v=1786242435
- https://cdn.shopify.com/s/files/1/0807/5486/8463/files/0d79df81-118c-477c-9d4c-21522f3bb944.jpg?v=1786242435
- https://cdn.shopify.com/s/files/1/0807/5486/8463/files/d3892e45-ec33-49b9-af73-402e8dccfb55.jpg?v=1786242435

## Agent notes
- Image content not verified; only URLs available.
- Product dimensions are shipping/package dimensions, not part dimensions.
- Fitment depends on frame shell width and threading standard; verify compatibility before ordering.
- Low price suggests entry-level or replacement-grade part, not high-end or durable performance component.

Images

This product has 11 images in 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": "Threaded Bottom Bracket with Spacers for Bicycles",
      "product_id": 9538064613615,
      "variant_id": 50406903906543,
      "quantity": 1,
      "grams": 120,
      "length_cm": "15.0",
      "width_cm":  "10.0",
      "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 before calling SFC. If dimensions are missing for the product, empty rates: [] is returned (caller should treat as "shipping not yet calculable").

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