Brand: World Products (Landmark)
This product has 2 variants (SKUs). Default shown below; full list under “Available Variants”.
Price range: $2.32 – $3.25
Default variant: Tx30 Right 7-speed
Default SKU: dcd-30002347295
Default price: $2.32
Availability: Made to order (cross-border) — ships from China; see “Live Shipping Rates” below for delivery estimate
Vendor: World Products
Weight: 100 g
Cart URL (default variant): https://landmarks.builders/cart/50304941654255:1?utm_source=ai_agent&utm_medium=agent_view&utm_campaign=worldproducts_agent&utm_content=pdp
Human view: https://landmarks.builders/products/m4x-10000970266
JSON data: https://landmarks.builders/products/m4x-10000970266.json
This product comes in 2 variants. Each has its own SKU, price, and cart URL. Agents should present these options to the user.
Complete Gear Selector Set: enhance your ride with this essential cycle component, which includes both left (3-speed) and right (7-speed) gear selector s for a full 21-speed conversion or replacement.
Effortless Gear Changes: Experience precise and reliable change ing with this high-performance gear gear selector, designed for quick and effortless change s between gears, enhancing your control and riding pleasure.
Intuitive Function: This 3x7 speed thumb gear selector features an ergonomic design with a clear gear display, allowing you to see your current gear at a glance and make adjustments easily while riding.
Long-Lasting Construction: Built with a sturdy metal frame and high-quality ABS plastic, this 21-gear bike gear selector set is designed to withstand the rigors of frequent commuting and trail riding, ensuring long-lasting performance.
Wide Compatibility: These mountain bike gear levers are designed for conventional 22.2mm handlebars, making these shifters a versatile and easy-to-install enhance for a wide range of mountain bikes, cross bikes, and town cyclist cycle s.
Summary: 21-Gear Bike Gear Selector Set Effortless Change Ing 21-Gear Bike Gear Lever Mountain Bike Gear Selector Set Easy Control Cycle. 【Complete Gear Selector Set】: enhance your ride with this essential cycle component, which includes both left (3-speed) and right (7-speed) gear selector s for a full 21-speed conversion or replacement. 【Effortless Gear Changes】: Experience precise and reliable change ing with this high-performance gear gear selector, designed for quick and effortless change s between gears, enhancing your control and riding pleasure. 【Intuitive Function】: This 3x7 speed thumb gear s
Generated by: m4x-map-v1
This product has 12 images in catalog. None have AI-generated visual descriptions yet. All image URLs are in the Product JSON-LD above.
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).
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.
POST https://wp-sfc-carrier.htfu.workers.dev/estimateapplication/json
{
"rate": {
"origin": {"country": "CN"},
"destination": {
"country": "US",
"postal_code": "95014",
"province": "CA",
"city": "Cupertino"
},
"items": [{
"name": "21-Gear Bike Gear Selector Set Effortless Change Ing 21-Gear Bike Gear Lever Mountain Bike Gear Selector Set Easy Control Cycle",
"product_id": 9499670806767,
"variant_id": 50304941654255,
"quantity": 1,
"grams": 100,
"length_cm": "23.0",
"width_cm": "16.0",
"height_cm": "8.5"
}],
"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").