# Bike helmet Rock Machine MTB Sport Green M/L 57–61 cm

**URL:** https://aio.lv/en/product--rock-machine-rf050506--7929734
**Data updated:** 2025-12-30 06:11 (EET)
**Category:** Kids’ Ride-On Accessories
**Manufacturer:** rock machine
**Manufacturer code:** RF050506
**EAN:** 8592842821728
**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-rf050506--7929734

## 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 is a bike helmet in green, size M/L (57–61 cm). Designed for mountain and recreational cycling, it offers head protection with a fit range suitable for many adult riders. The helmet includes adjustable retention for secure fit, ventilation openings for airflow and comfort, and a lightweight construction for everyday use on trails and urban rides.

## Long description

Rock Machine MTB Sport is a green bike helmet in size M/L (57–61 cm) designed for mountain and recreational cycling. The helmet provides head protection with a lightweight EPS shell, ventilation openings for airflow and a retention system that allows vertical and horizontal adjustment to achieve a secure fit for many adult riders.
Advantages
The helmet combines a lightweight EPS construction with multiple ventilation openings and an adjustable retention system for both vertical and horizontal fine-tuning. Its M/L size (57–61 cm) fits a wide range of adult users, and the green finish is suitable for outdoor and urban use. The design balances protection, comfort and ease of adjustment.
Suitable for
 Mountain biking on trails
 Recreational cycling and urban rides
 Commuting and leisure weekend rides
Key specifications
 Model: MTB Sport
 Brand: Rock Machine
 Size: M/L (57–61 cm)
 Material: EPS
 Color: Green
 Adjustment: Vertical and horizontal retention system
 MPN: RF050506
 EAN: 8592842821728
How to use
Place the helmet on your head so it sits level and covers the forehead. Use the retention system to adjust vertical and horizontal position until the helmet feels snug but comfortable. Fasten and tighten the chin strap so two fingers fit between the strap and your chin. Check that the helmet does not tilt excessively when you move your head and that ventilation openings are unobstructed.
Usage recommendations
Inspect the helmet before each ride for cracks or damage and replace it after any significant impact. Clean with mild soap and water and avoid solvents. Store the helmet away from direct sunlight and extreme temperatures to preserve EPS integrity.

## FAQ

### How much does the Rock Machine MTB Sport helmet M/L 57–61 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 — 7 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/7929734/51093599_large.webp