ROCKBROS DARWIN II 16"/20" Belt-Drive Kid's Bike
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Shipping Fees:
We provide clear and detailed shipping fees based on the order amount and shipping method:
- Standard Shipping:
- Order Amount Below $29: Shipping Fee - $4.99
- Delivery Time: 3-4 business days
- Free Shipping:
- Order Amount $29 and over: Free 📦
Shipping Info
- US Warehouse In-stock: 3–4 business days
- 🌍International Shipping (if US out of stock): 7–10 business days
- 🚲Bicycles: 20–25 business days
Please note that we do not charge any additional taxes.
We offer a 30-day hassle-free return and exchange policy starting from the date you receive your item. To be eligible, products must be unworn, unused, with tags attached, in original packaging, and accompanied by proof of purchase. If the item is defective, damaged, or incorrect, we cover the return shipping cost; for size or personal preference returns, the customer is responsible for shipping fees. Please inspect your order within 72 hours and contact us for any issues. EU customers have a 14-day no-questions-asked return right. Refunds will be processed within 10 business days after we receive and inspect your return. Please contact customer service before returning items and send returns to the designated address; unauthorized returns will not be accepted. For questions, email service@rockbrosbike.us.
At ROCKBROS, we offer a worry-free 1-year warranty to ensure your satisfaction. Whether it's a defect or product issue, simply reach out to us at service@rockbrosbike.us with your order details. We'll handle the rest to make sure your experience is smooth and hassle-free.
Product Highlights
Product Description
Built for young adventurers aged 5–9, this 16"/20" kids bike combines aerospace-grade aluminum construction with a quiet, low-maintenance belt-drive system. Lightweight yet durable, it features a low-step frame for easy mounting and adjustable seat height to grow with your child. The integrated steering limiter, non-slip silicone grips, and responsive V-brakes ensure a safe and stable ride on any surface. With puncture-resistant INNOVA tires and a corrosion-resistant metallic finish, this bike is ready for daily play and long-term exploration.
| Category | 16" Version | 20" Version |
|---|---|---|
| Recommended Age | 5–9 years old | 6–12 years old |
| Frame, Fork, Handlebar, Seatpost, Wheels | Aluminum alloy | Aluminum alloy |
| Tire | INNOVA 16×1.5 | INNOVA 20×1.75 |
| Transmission | Belt-Drive System | Belt-Drive System |
| Brake | V-Brake | V-Brake |
| Saddle | ROCKBROS Kids Saddle | ROCKBROS Kids Saddle |
| Weight Limit | Up to 45 kg | Up to 55 kg |
| Special Features | Steering limiter, non-slip grips, corrosion-resistant finish | Same as 16" version |
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