Description

SPECIFICATIONS

Name: US Free Shipping Yvy Q20 48V 20Ah Ebike Fat Tire E Bike Electric Bicycle Lithium Battery Electric Mountain Dirt Bike for Adults - k social marketplace
SKU: d8ndp42aq9vg008rv9hg
Price: 978.99 USD
Availability: InStock

Accessories: Reflector,toolkit,cycling bag

Age Group: Adults,Teens

Battery: Lithium Battery,48V 20AH Lithium Battery

Battery Capacity: 20 AH,20Ah

Battery Position: Down Tube

Battery Type: Lithium

Brake: Hydraulic Disc Brake

Brake info: Front & rear Hydraulic Disc Brakes

Braking System: Front & Rear Hydraulic Disc Brake

Brand Name: yvy

Charging Time: 5-8H

Color: Shinny Black

Derailleur: 7-speed

Display: M5 LCD

Feature: Lightweight,Electric,High Speed

Frame Material: High-carbon steel,20 inch High Carbon Steel

Gears: 7 Speed

Model Number: Q20

Motor Type: Brushless,High Speed,Hub Motor

Motor position: Rear Hub Motor

Place of Origin: Guangdong, China

Power Source: Lithium Battery

Power Supply: Lithium Battery

Product Model: yvy Q20 Electric Mountain Bike

Range per Power: 31 – 60 km

Rear Hub: Hub Motor

Shock Absorber: Suspension front fork and seat post

Style: Urban,Sport,European,City bike,Mountain

Suspension Type: Front,Dual,Rear,Full

Tire: 20 inch 4.0 fat tires

Tire Width: 20*4″

Torque: 70-80 Nm

Transmission: Shimano 7-Speed gears

Type: adult electric bike,Electric Mountain Bike

Voltage: 48 V

Wheel Size: 20″*4

motor: Brushless,Hub Motor

Note

RIDSTAR , YVY ,Bozpin and Climtop are all our registered brands. Their performance and quality are exactly the same as those of RIDSTAR, and are all genuine products with guaranteed after-sales service. So please feel free to purchase.

We have EU, UK, CA ,AU & USA Warehouse.Usually it takes about 3-5 days for the clients from Warehouse to get their order. What's more,self-pick up service is also available for some EU, UK, CA , AU & USA customers.
If any questions,please send us the message.

We are a professional manufacturer of e-bike with 15 year's experience in the field and the owner of Ridstar.We can provide OEM,ODE Service and also have ebike in our overseas warehouse.We would like to recruit the distributor all over the world.Please contact us to get more information.

Products Description

Name	yvy Q20 Electric Mountain Bike
Color	Shinny Black
Frame Material	20 inch high carbon steel
Shock Absorber	Suspension front fork and seat post
Battery	48V 20ah Lithium Battery
Transmission	Shimano 7-Speed gears
Riding Mode	Pure Electric, Power Assist, Bike Mode
Brake info	Front & rear Hydraulic Disc Brakes
Tire	20 inch 4.0 fat tires
Refector position	On the front and rear wheels and pedals
Charging Time	5-7 hour full charge

Screen controller & M5 LCD & 7 speed gear adjuster

Front & rear Hydraulic Disc Brakes

Shimano 7-Speed Gears

Customize Your Ebike

Preliminary planning – Clarify the purpose and requirements

Consider the main application scenarios of electric bicycles, such as whether they are used for daily commuting, leisure cycling,or mountain off-roading, etc. Different uses have different performance requirements for vehicles. For instance, commuting may place more emphasis on range and comfort, while off-roading demands stronger power and good shock absorption.

Set a budget

The cost of customizing an electric bicycle varies depending on the selected accessories and functions. Determine the price range you can accept so that you have a basis when choosing components later. This includes core components such as the frame,motor,battery, and controller, as well as some optional accessories like headlights and shock absorbers.

Select the frame

Choose a frame of the appropriate size based on your personal height and cycling habits. The frame materials include aluminum alloy, carbon steel, etc. Aluminum alloy is relatively light and corrosion-resistant. Carbon steel has high strength but is relatively heavy. At the same time, consider the style of the frame, such as the simple style of city bikes or the sturdy style of mountain bikes.

Component selection – Motor

The motor is the core power component of an electric bicycle. Common types include hub motors and mid-mounted motors. Hub motors are easy to install and can be directly integrated into the wheels, with relatively low prices. Mid-mounted motors can better distribute power and enhance riding performance, but they are more expensive. Select the appropriate motor power based on the budget and the demand for power.

Battery

The choice of battery determines the endurance of an electric bicycle. The mainstream batteries include lead-acid batteries and lithium batteries. Lead-acid batteries are cheap, but they are large in size, heavy in weight and have a relatively short battery life. Lithium batteries have the advantages of small size, light weight and long battery life, but they are relatively expensive. Choose a battery of appropriate capacity based on the required riding distance. Common capacities range from 10Ah to 20Ah.

Controller

The controller is responsible for regulating the speed and power of the motor to ensure its stable operation. Select a controller that matches the motor, and pay attention to ensuring that its parameters such as voltage and current are compatible with both the motor and the battery. A high-quality controller can enhance the stability and comfort of riding.

Other accessories

Choose accessories such as shock absorption systems, braking systems, handlebars and seats according to your personal needs. For instance, if you often ride on rough roads, you can choose shock absorbers with better performance. Emphasis is placed on braking performance and it can be upgraded to a disc brake system.

Assembly process and shipment

Company Profile

Hello, we are happy to meet you on Alibaba. We are Huizhou Xing’qi’shi Sporting Goods Co., Ltd. A professional factory in designing and manufacturing various kinds of electric bicycles and scooters. One of the brand is Ridstar.
Our factory locates in Huizhou City Guangdong Province. Near Shenzhen, Guangzhou and Hongkong. About 1.5 hour driving from international airports of Baiyun, Shenzhen and Hong Kong China Kai Tak Airport. We warmly welcome customers from worldwide to visit us, guide us and negotiate business with us for achieving common progress.
Our factory focuses on designing and producing all kind of delivery electric bikes, city electric bikes, folding electric bicycle, mountain electric bicycles and scooter or OEM based on customer requirements. All products are strictly produced and tested based on international standards. Our products have been sold worldwide and trusted by our customers and won a good reputation. Producing more than 10000 units a month.
In the coming time, we like to keep on expanding business with our relationship partners and developing new partners in world market for long run business.

Why Choose Us

Product packaging

FAQ

1.Are you a factory?
A:Yes,we are a professional manufacturer of the e-bike with 7 years experience, Located in Huizhou,Supporting OEM&ODM.Welcome to our Factory.

2.What's your payment terms?
A:Usually we take T/T , L/C at sight , Western Union , Paypal , Trade Assurance online .If you need the other paymet terms,please contact us.

3.Can I mix different models in one container?
A: YES.different models can be mixed up in one fully container.

4.What's your warranty terms?
A:We offer different warranty time for different components,please contact us to get the warranty details

5.How about your delivery time?
A: Generally, it will take 20-35 work-days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.

6.What is your sample policy?
A: We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and the courier cost.Please contact us for the detailed sample policy.

7.How does your factory do regarding the quality control?
A:Quality is priority.We always attract great importance to quality control from the very beginning to the end of production.Every product will be fully assembled and carefully tested before packing and shipping.we have 100% test before delivery.

Additional information

Weight	N/A
Wattage	48v20ah
Color	Black

Store Policy

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Shipping Policy

Last updated: [23-03-2026] Processing & Shipping Times Processing: [e.g., 1-2 business days] after order confirmation. Shipping: 5–7 business days after processing. Total delivery estimate: [processing + shipping] business days. We ship [domestically only / internationally to X countries] via [carriers, e.g., USPS, FedEx, DHL]. Shipping Costs [e.g., Free shipping over $50 / Flat rate $X / Calculated at checkout] Order Tracking Once shipped, you’ll receive a tracking link via [email / SMS]. Track your order here: [Tracking Portal Link] Delays We are not responsible for carrier delays, weather, or customs holds. If your order exceeds [X] days past the estimate, contact support at [support email]. Lost or Stolen Packages After delivery confirmation, we are not responsible for lost/stolen packages. For issues, contact the carrier. For missing shipments, email [support email] within [7] days of expected delivery. Undeliverable Packages If a package returns to us due to incorrect address or unclaimed pickup, you will be charged for re-shipping or refunded minus original shipping fees. Contact Admin: [admin link] Support: [support email / link] Live Chat: [live chat link]

Refund Policy

Last updated: [23-03-2026] Eligibility for Refunds Refunds are available for defective, damaged, or incorrectly shipped items only. Change of mind does not qualify for a refund (see Exchange/Cancellation policies below). Request must be made within 30 days of delivery. Non-Refundable Items [e.g., Gift cards, downloadable software, intimate items, final sale products] How to Request a Refund Contact us at [support email] with your order number and photo/video of the issue. We will respond within [3] business days. If approved, we will send a return shipping label (free for defects/damage). Once the item is received and inspected, refund will be issued to original payment method within [5-10] business days. Partial Refunds Partial refunds may be granted for items not in original condition or missing parts (not due to our error). Late or Missing Refunds If you haven’t received a refund after [10] business days, check your bank account, then contact your credit card company. Still no refund? Contact us at [admin@ksocialmarketplace.com]. Contact Admin: [admin link] Support: [support email] Live Chat: [live chat link]

Cancellation / Return / Exchange Policy

Last updated: [23-03-2026] Cancellations Before shipping: You may cancel for a full refund. Request via [support email] with “CANCEL” and your order number. After shipping: You must follow the Return process below. Cancellation cut-off: within [1 hour / 1 day / until processed] of ordering. Returns (30-Day Window) You have 30 days from delivery to initiate a return. Items must be unused, unwashed, with original tags and packaging (unless defective). Return shipping cost: [customer pays / free] unless the error is ours. We recommend tracked shipping. We are not responsible for lost returns. Send returns to: [Your return address] Exchanges We offer exchanges for size, color, or same-item defects. To exchange: follow return steps above and select “exchange” in the request. If the new item has a price difference, we will charge/refund the difference. Exchange shipping: we cover [first exchange free / customer pays]. Process for Return/Exchange Email [support email] with: order number, item name, reason, and photo/video if damage. We will send a return authorization form and instructions. Ship the item within [14] days of receiving the authorization. Once inspected, we issue refund or ship exchange within [5-7] business days. Restocking Fee [e.g., No restocking fee / 15% restocking fee for non-defective returns] Policy Violations We reserve the right to refuse returns/exchanges for abuse or failure to meet deadlines. Contact Admin: [admin link] Support: [support email] Live Chat: [live chat link] Disputes: [customer dispute email or department, optional]

US Free Shipping Yvy Q20 48V 20Ah Ebike Fat Tire E Bike Electric Bicycle Lithium Battery Electric Mountain Dirt Bike for Adults

US Free Shipping Yvy Q20 48V 20Ah Ebike Fat Tire E Bike Electric Bicycle Lithium Battery Electric Mountain Dirt Bike for Adults

Description

SPECIFICATIONS