1. Local Warehouses：
Standard: 2–3 Working days
2. 🌍International Delivery：
Standard: 40–60 Working days
Expedited: 7-12 Working days
Shipping fees may vary depending on your address. Please check the checkout page for the exact amount.
We offer a 14-day return and exchange policy from the date you receive your item. Items must be unused, undamaged, with tags attached, in original packaging, and accompanied by proof of purchase.
We cover return shipping for quality issues, defective, damaged, or incorrect items, size-related returns, oversized items such as roof racks, and approved exchanges. For other personal-reason returns, the customer is responsible for return shipping.
For full order cancellations within 14 days, the original standard delivery cost will be refunded. Partial returns generally do not include a refund of the original delivery cost.
Refunds will be processed within 5–7 business days after we receive and inspect your return. Please contact us before returning any item. For questions, email service@rockbrossport.co.uk.
Estimated delivery time
Lightweight Aluminium Frame
Durable yet easy to handle, the aluminium alloy frame offers excellent stability while keeping the bike light for young riders to control with confidence.
Smooth Belt-Drive System
The low-maintenance belt drive delivers a quiet, smooth ride with no chain rust or oil, making it safer and cleaner for children.
Reliable V-Brake Control
Responsive V-brakes provide dependable stopping power, helping young riders stay in control on pavements, paths and gentle slopes.
Child-Friendly Geometry
A low step-through frame and adjustable seat height make mounting easy and allow the bike to grow with your child.
Versatile All-Terrain Tyres
Puncture-resistant tyres handle tarmac, grass and light gravel, perfect for everyday riding and outdoor exploration.
Lightweight Aluminium Frame
Built with a durable aluminium frame, this 20 inch kids’ bike is easy to handle while offering the strength needed for everyday riding and light trail use.
Confident & Reliable Braking
Responsive V-brakes provide consistent stopping power, helping young riders stay in control on paths, slopes and neighbourhood roads.
Clean & Low-Maintenance Belt Drive
The single-speed belt drive system runs quietly and smoothly without grease or rust, making it a safer, cleaner and virtually maintenance-free option for kids.
Child-Friendly Ergonomic Design
An adjustable saddle and comfortable grips support proper riding posture and allow the bike to grow with your child as their skills develop.
Durable, Eco-Friendly Finish
Finished with a brushed metallic look and a non-toxic, anti-corrosion coating, the frame is designed to withstand outdoor use while staying safe and long-lasting.
| Specification | 16 Inch | 20 Inch |
|---|---|---|
| Recommended Height | Approx. 95–120 cm | Approx. 110–130 cm |
| Weight | ≈6.08 kg | ≈7.07 kg |
| Frame | ROCKBROS aluminium frame | |
| Fork | Aluminium rigid fork | |
| Handlebar | Aluminium riser handlebar | |
| Stem | Aluminium stem | |
| Saddle | Ergonomic saddle | |
| Saddle Post | Aluminium seatpost | |
| Brake | V-brake | |
| Drive System | Belt drive, single speed (28T) | |
| Crankset | Aluminium pulley 48T × 120 mm | |
| Rims | Aluminium double-wall rims | |
| Hubs | Aluminium bearing hubs | |
| Spokes | 14G carbon steel spokes with brass nipples | |
| Tires | Innova 16 × 1.5 A/V | Innova 20 × 1.5 A/V |
| Packing Size | 125 × 17.5 × 63.5 cm (8.66 kg) | 111 × 22 × 57 cm (12 kg) |
Lightweight Aluminium Frame
Durable yet easy to handle, the aluminium alloy frame offers excellent stability while keeping the bike light for young riders to control with confidence.
Smooth Belt-Drive System
The low-maintenance belt drive delivers a quiet, smooth ride with no chain rust or oil, making it safer and cleaner for children.
Reliable V-Brake Control
Responsive V-brakes provide dependable stopping power, helping young riders stay in control on pavements, paths and gentle slopes.
Child-Friendly Geometry
A low step-through frame and adjustable seat height make mounting easy and allow the bike to grow with your child.
Versatile All-Terrain Tyres
Puncture-resistant tyres handle tarmac, grass and light gravel, perfect for everyday riding and outdoor exploration.
Lightweight Aluminium Frame
Built with a durable aluminium frame, this 20 inch kids’ bike is easy to handle while offering the strength needed for everyday riding and light trail use.
Confident & Reliable Braking
Responsive V-brakes provide consistent stopping power, helping young riders stay in control on paths, slopes and neighbourhood roads.
Clean & Low-Maintenance Belt Drive
The single-speed belt drive system runs quietly and smoothly without grease or rust, making it a safer, cleaner and virtually maintenance-free option for kids.
Child-Friendly Ergonomic Design
An adjustable saddle and comfortable grips support proper riding posture and allow the bike to grow with your child as their skills develop.
Durable, Eco-Friendly Finish
Finished with a brushed metallic look and a non-toxic, anti-corrosion coating, the frame is designed to withstand outdoor use while staying safe and long-lasting.
| Specification | 16 Inch | 20 Inch |
|---|---|---|
| Recommended Height | Approx. 95–120 cm | Approx. 110–130 cm |
| Weight | ≈6.08 kg | ≈7.07 kg |
| Frame | ROCKBROS aluminium frame | |
| Fork | Aluminium rigid fork | |
| Handlebar | Aluminium riser handlebar | |
| Stem | Aluminium stem | |
| Saddle | Ergonomic saddle | |
| Saddle Post | Aluminium seatpost | |
| Brake | V-brake | |
| Drive System | Belt drive, single speed (28T) | |
| Crankset | Aluminium pulley 48T × 120 mm | |
| Rims | Aluminium double-wall rims | |
| Hubs | Aluminium bearing hubs | |
| Spokes | 14G carbon steel spokes with brass nipples | |
| Tires | Innova 16 × 1.5 A/V | Innova 20 × 1.5 A/V |
| Packing Size | 125 × 17.5 × 63.5 cm (8.66 kg) | 111 × 22 × 57 cm (12 kg) |
