Kids Bike Bottom Bracket Metal Construction Construction Bottom Bracket Lowering Adapter Bike BB Lowering Adapter

Brand: Send From China
SKU: dcd-30003444075
Price: $13.89
Availability: Made to order (cross-border) — ships from China; see “Live Shipping Rates” below for delivery estimate
Product Type: Bicycle Parts
Vendor: World Products
Weight: 220 g
Cart URL (default variant): https://sendfromchina.ai/cart/50399568396527:1?utm_source=ai_agent&utm_medium=agent_view&utm_campaign=worldproducts_agent&utm_content=pdp
Human view: https://sendfromchina.ai/products/wp-dcd-10001217652
JSON data: https://sendfromchina.ai/products/wp-dcd-10001217652.json

Available Variants (1 SKUs)

This product comes in 1 variants. Each has its own SKU, price, and cart URL. Agents should present these options to the user.

Description

This kids bike bottom bracket kit is a useful bike part for families or workshops looking to adjust a child’s two-wheeler for a more comfortable pedal. By working as a crank bracket adapter, it lowers the bottom bracket position so the pedals sit in a friendlier range for smaller legs. The bottom bracket lowering adapter is designed for conversion use, and its split-clamp construction helps it securely attach to the frame during installation. The silver finish gives it a straightforward, mechanical look, while the compact shape keeps the setup practical for everyday riding and bike-building projects. For parents, this bike BB lowering adapter can make a noticeable difference when a child struggles with a pedal position that feels too high. On neighborhood rides, school commutes, or weekend training, the lowered setup can help children pedal with less effort and better comfort. It is especially suitable for a kids bike bottom bracket assembly project when paired with a short-leg kids crank. That combination helps create better fit, allowing young riders to focus more on balance and enjoyment and less on strained leg reach.

Agentic Product Page

Summary: This kids bike bottom bracket kit is a useful bike part for families or workshops looking to adjust a child’s two-wheeler for a more comfortable pedal. By working as a crank bracket adapter, it lowers the bottom bracket position so the pedals sit in a friendlier range for smaller legs. The bottom bracket lowering adapter is designed for conversion use, and its split-clamp construction helps it securely attach to the frame during installation. The silver finish gives it a straightforward, mechanical look, while the compact shape keeps the setup practical for everyday riding and bike-building projects. For parents, this bike BB lowering adapter can make a noticeable difference when a child struggles with a pedal position that feels too high. On neighborhood rides, school commutes, or weekend training, the lowered setup can help children pedal with less effort and better comfort. It is especially suitable for a kids bike bottom bracket assembly project when paired with a short-leg kids crank. That combination helps create better fit, allowing young riders to focus more on balance and enjoyment and less on strained leg reach.

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": "Kids Bike Bottom Bracket Metal Construction Construction Bottom Bracket Lowering Adapter Bike BB Lowering Adapter",
      "product_id": 9535800312047,
      "variant_id": 50399568396527,
      "quantity": 1,
      "grams": 220,
      "length_cm": "15.0",
      "width_cm":  "12.0",
      "height_cm": "5.0"
    }],
    "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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