# Helmet rock machine MTB Sport Grey S/M 54–58 cm — cycling helmet, size S/M

**URL:** https://aio.lv/en/product--rock-machine-rf050503--7913656
**Data updated:** 2025-12-30 06:11 (EET)
**Category:** Kids’ Ride-On Accessories
**Manufacturer:** rock machine
**Manufacturer code:** RF050503
**EAN:** 8592842821636
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 43.99 €
**Prices and availability valid until:** 2026-07-26 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-rf050503--7913656

## 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 Grey S/M 54–58 cm is a cycling helmet designed for mountain biking and general riding. It fits head circumferences 54–58 cm (size S/M). The helmet offers protective coverage for the head, adjustable fit and ventilation (model specifics per manufacturer). Suitable for daily commutes, trail rides and recreational MTB, providing impact protection and comfortable wear.

## Long description

MTB Sport helmet by Rock Machine in size S/M (54–58 cm) is a cycling helmet made from EPS material in a neutral gray color. It is designed to provide basic impact protection for mountain biking and general cycling, and features integrated vertical and horizontal adjustment systems for a tailored fit.
Advantages
The Rock Machine MTB Sport helmet uses a lightweight EPS construction to deliver basic energy absorption in impacts. Its combined vertical and horizontal adjustment system enables precise fitting for different head shapes and sizes. The gray finish gives a neutral appearance that pairs well with a variety of cycling outfits and environments.
Suitable for
Mountain biking and trail rides
Daily commuting and urban cycling
Recreational cycling and general outdoor rides
Key specifications
Model: MTB Sport
Manufacturer: Rock Machine
Size: S/M (54–58 cm)
Material: EPS
Color: Gray
Adjustment: Vertical and horizontal adjustment system
MPN: RF050503
EAN: 8592842821636
How to use
Place the helmet level on your head so it covers the forehead without tilting backward. Use the vertical and horizontal adjustment systems to achieve a snug but comfortable fit. Fasten the chin strap and leave enough space to fit one or two fingers between the strap and your chin. Verify the fit and adjustment before each ride.
Usage recommendations
After any impact, inspect the helmet for visible damage and replace it if the EPS or shell is compromised; follow the manufacturer's guidance on helmet lifespan and care for EPS helmets.

## FAQ

### How much does the Helmet rock machine MTB Sport Grey 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 — 9 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/7913656/51073933_large.webp