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- Free Shipping:📦
Shipping Info
- US Warehouse In-stock: 3–4 business days
- 🌍International Shipping (if US out of stock): 7–10 business days
🚲 Bicycle Shipping
Delivery Times:
- Standard: 40–60 business days
- Expedited: 18–20 business days
Shipping Fees:
- Small Bikes: $20 (Standard) | $70 (Expedited)
- Large Bikes: $100 (Standard) | $250 (Expedited)
No extra taxes. Choose the option that works best for you.
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 FEATURES
| Category | Item | Specification |
|---|---|---|
| Frame Set | Frame | ROCKBROS Aluminum |
| Fork | ROCKBROS Steel | |
| Weight | Weight | 9.5 kg |
| Weight Limit | Max total weight 100 kg (bike + rider + cargo) | |
| Drivetrain | Shifter | S-RIDE K200, 7-Speed |
| Rear Derailleur | S-RIDE K200, 7-Speed | |
| Crank | 38T, 127 mm | |
| Freewheel | 7-Speed, 11–28T | |
| Brake | V-Brakes | |
| Wheels | Wheels | ROCKBROS Aluminum, 20" |
| Tire | INNOVA 20 × 1.75, 22 TPI, AV Valve | |
| Components | Saddle | ROCKBROS Youth Saddle |
| Seatpost | ROCKBROS Aluminum, 25.4 mm | |
| Handlebar | ROCKBROS Aluminum | |
| Stem | ROCKBROS Aluminum |

1. Lightweight & Durable Youth Frame
The ROCKBROS aluminum frame is lightweight yet strong, paired with a hi-ten steel fork for a smooth and stable ride. A 4-layer baked paint finish resists scratches and wear for long-lasting durability.
2. Easy-Shifting S-RIDE 7-Speed Drivetrain
Equipped with a youth-friendly S-RIDE K200 7-speed system and an easy-to-use shifter, this bike makes gear changes smooth and effortless—perfect for young riders learning to handle different terrains.
3. Reliable Braking & All-Terrain Tires
V-brakes provide dependable stopping power for safe riding. Paired with 1.75" puncture-resistant tires, this bike delivers solid grip and stability on both pavement and light trails.
4. Designed to Grow with Your Child
A step-thru frame allows easy mounting and added safety. The adjustable seat height (58–72 cm) ensures a comfortable fit as your child grows, supporting years of riding progress.
5. Perfect First Mountain Bike
Designed for kids aged 6–10 (115–145 cm), this 20" bike is an ideal step up from smaller bikes, helping young riders build confidence and enjoy new outdoor adventures.
| Category | Item | Specification |
|---|---|---|
| Frame Set | Frame | ROCKBROS Aluminum |
| Fork | ROCKBROS Steel | |
| Weight | Weight | 9.5 kg |
| Weight Limit | Max total weight 100 kg (bike + rider + cargo) | |
| Drivetrain | Shifter | S-RIDE K200, 7-Speed |
| Rear Derailleur | S-RIDE K200, 7-Speed | |
| Crank | 38T, 127 mm | |
| Freewheel | 7-Speed, 11–28T | |
| Brake | V-Brakes | |
| Wheels | Wheels | ROCKBROS Aluminum, 20" |
| Tire | INNOVA 20 × 1.75, 22 TPI, AV Valve | |
| Components | Saddle | ROCKBROS Youth Saddle |
| Seatpost | ROCKBROS Aluminum, 25.4 mm | |
| Handlebar | ROCKBROS Aluminum | |
| Stem | ROCKBROS Aluminum |

1. Lightweight & Durable Youth Frame
The ROCKBROS aluminum frame is lightweight yet strong, paired with a hi-ten steel fork for a smooth and stable ride. A 4-layer baked paint finish resists scratches and wear for long-lasting durability.
2. Easy-Shifting S-RIDE 7-Speed Drivetrain
Equipped with a youth-friendly S-RIDE K200 7-speed system and an easy-to-use shifter, this bike makes gear changes smooth and effortless—perfect for young riders learning to handle different terrains.
3. Reliable Braking & All-Terrain Tires
V-brakes provide dependable stopping power for safe riding. Paired with 1.75" puncture-resistant tires, this bike delivers solid grip and stability on both pavement and light trails.
4. Designed to Grow with Your Child
A step-thru frame allows easy mounting and added safety. The adjustable seat height (58–72 cm) ensures a comfortable fit as your child grows, supporting years of riding progress.
5. Perfect First Mountain Bike
Designed for kids aged 6–10 (115–145 cm), this 20" bike is an ideal step up from smaller bikes, helping young riders build confidence and enjoy new outdoor adventures.


