# Bike helmet rock machine MTB Sport Green S/M 54–58 cm

**URL:** https://aio.lv/en/product--rock-machine-rf050505--7929733
**Data updated:** 2025-12-30 06:11 (EET)
**Category:** Kids’ Ride-On Accessories
**Manufacturer:** rock machine
**Manufacturer code:** RF050505
**EAN:** 8592842821698
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 43.99 €
**Prices and availability valid until:** 2026-07-25 23:59
**Price without VAT (21%):** 36.36 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--rock-machine-rf050505--7929733

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | Wednesday | free |
| Pickup points | 06.07.2026 | 1.89 EUR |
| Courier delivery to door | 06.07.2026 | 4.99 EUR |

## Summary description

Rock Machine MTB Sport bike helmet in green, size S/M (54–58 cm). Designed for mountain and recreational cycling, it offers a protective hard shell, internal impact-absorbing liner, adjustable fit system and multiple vents for airflow. Lightweight and practical, it provides head protection and a comfortable fit for everyday riding and trail use.

## Long description

Rock Machine MTB Sport is a green S/M (54–58 cm) bike helmet designed for mountain and recreational cycling. It combines a protective hard shell with an internal EPS impact-absorbing liner, multiple vents for airflow and an adjustable fit system to provide head protection and a comfortable fit during trail riding and everyday cycling.
Advantages
The helmet features an EPS liner for impact absorption and a durable outer shell for abrasion resistance. A vertical and horizontal adjustment system ensures a secure, customised fit, while multiple vents improve ventilation to help regulate temperature during activity. The lightweight construction makes it suitable for longer rides without excessive strain on the neck.
Suitable for
Mountain biking and trail riding
Recreational and commuter cycling
Cyclists seeking adjustable S/M fit (54–58 cm)
Key specifications
Model: MTB Sport
Brand: Rock Machine
Size: S/M (54–58 cm)
Material: EPS liner with hard outer shell
Color: Green
Adjustment: Vertical and horizontal fit system
MPN: RF050505
EAN: 8592842821698
How to use
Place the helmet on the head so it sits level and low on the forehead. Use the vertical and horizontal adjustment system to tighten the fit until the helmet is secure but comfortable. Fasten and adjust the chin strap so two fingers fit between the strap and the chin. Check that the helmet does not tilt forward or backward and that vents are unobstructed before riding.
Usage recommendations
Inspect the helmet for cracks or damage before each use and replace it after any significant impact. Clean with mild soap and water and avoid exposure to strong chemicals or prolonged sunlight to preserve materials and fit.

## FAQ

### How much does the Bike helmet rock machine MTB Sport S/M 54–58 cm cost, and is it available for purchase?

The price is 43.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 8 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on Wednesday at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Cash payment, Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All rock machine products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized rock machine service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/7929733/51093598_large.webp