# GIRO Aries Spherical Road Helmet matte black/black, size M (55–59 cm), 2026 model

**URL:** https://aio.lv/en/product--giro-gr-39360-255-m--12406145
**Data updated:** 2026-04-30 18:35 (EEST)
**Category:** Protective Helmets
**Manufacturer:** GIRO
**Manufacturer code:** GR-39360-255-M
**EAN:** 199270038858
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 294.99 €
**Prices and availability valid until:** 2026-08-18 23:59
**Price without VAT (21%):** 243.79 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--giro-gr-39360-255-m--12406145

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 03.08.2026 | free |
| Pickup points | 06.08.2026 | 1.79 EUR |
| Courier delivery to door | 06.08.2026 | 4.99 EUR |

## Summary description

GIRO Aries Spherical is a road cycling helmet (2026 model) in matte black/black, size M (55–59 cm). It features Spherical Impact Protection technology for improved rotational impact management, ventilation channels for airflow, and an adjustable fit system for secure positioning. Designed for road cyclists seeking protection and comfort during training and racing.

## Long description

GIRO Aries Spherical Road Helmet in matte black/black, size M (55–59 cm), 2026 model, is a road cycling helmet built to balance protection, ventilation and a secure fit. It incorporates Spherical Impact Protection technology to address rotational forces during impacts, an internal fit adjustment system for consistent positioning and a vented shell profile that promotes airflow on training rides and races.
Advantages
The helmet's Spherical Impact Protection system is designed to reduce rotational energy transfer in oblique impacts while the multi-channel ventilation helps maintain cooling without sacrificing structural integrity. An adjustable retention system provides micro-adjustments for a snug fit, and the matte black finish offers a low-reflective, understated appearance. The combination of lightweight construction and targeted cushioning supports extended use during long rides.
Suitable for
Road cycling training and group rides
Amateur and competitive road racing
Long-distance endurance rides and sportive events
Everyday road cycling where comfort and protection are priorities
When it may not be suitable
This helmet is optimized for road cycling and is not specifically designed for off-road or mountain biking where different impact patterns and coverage needs exist. It may not be suitable for riders who require full-face protection or additional rear coverage beyond standard road helmet profiles.
Key specifications
Fit size: Medium (55–59 cm)
Shell finish: matte black/black
Impact protection: Spherical Impact Protection technology for rotational impact management
Ventilation: multiple airflow channels through the shell for cooling
Retention: adjustable internal fit system for precise fit
Intended use: road cycling, training and racing
How to use
Position the helmet level on the head with the front edge low on the forehead, then tighten the internal retention system until the helmet sits securely without excessive movement. Adjust the chin straps so they form a comfortable V-shape under the ears and fasten the buckle; the strap should be snug but not restrictive. Regularly inspect the shell, straps and retention mechanism for wear or damage and replace the helmet after any significant impact or according to the manufacturer's service guidance.
What to consider before purchase
Confirm head circumference to ensure the Medium (55–59 cm) size is appropriate
Consider ventilation needs for your typical ride conditions
Check compatibility with any eyewear, communication devices or accessories you use
Review helmet replacement guidelines after impacts or after several years of use
Usage recommendations
For best performance, use the helmet for road cycling activities that match its intended design: maintain a correct fit, keep vents clear of debris, and replace the helmet after significant impacts or when signs of wear appear to preserve protective function.

## FAQ

### How much does the GIRO Aries Spherical road helmet, size M cost, and is it available for purchase?

The price is 294.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 30 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 03.08.2026 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: Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

### Can GIRO Aries Spherical road helmet, size M be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### 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 GIRO 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 GIRO 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