# Road Helmet GIRO ARIES SPHERICAL, matte black, size S (51–55 cm)

**URL:** https://aio.lv/en/product--giro-gr-39360-255-s--12384477
**Data updated:** 2026-04-26 20:56 (EEST)
**Category:** Protective Helmets
**Manufacturer:** GIRO
**Manufacturer code:** GR-39360-255-S
**EAN:** 199270038841
**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-s--12384477

## 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 in matte black, size S (51–55 cm). Featuring GIRO’s SPHERICAL impact management technology (manufacturer naming present in model) and a road-oriented shell, it provides protection for road cyclists, daily training and racing. Suitable for riders seeking a certified, compact helmet for urban commutes, group rides and endurance sessions.

## Long description

GIRO ARIES SPHERICAL in matte black (size S, 51–55 cm) is a road cycling helmet designed for daily training, group rides and racing. The helmet uses GIRO’s SPHERICAL impact management technology to manage multi-directional impacts and pairs a road-specific shell with ventilation and fit features aimed at road riders. It is a compact, certified road helmet suited to riders who need a balance of protection, comfort and low-profile design.
Advantages
The ARIES SPHERICAL combines a road-oriented outer shell with an inner SPHERICAL liner that helps reduce rotational and linear impact forces. Its matte black finish offers a low-reflective appearance that integrates with typical road cycling clothing. The S size (51–55 cm) provides a compact fit for smaller head circumferences while maintaining the brand's retention and adjustment systems for a secure fit. The helmet's design focuses on ventilation, weight distribution and a streamlined shape for reduced drag on the road.
Suitable for
Road training sessions and endurance rides
Group rides and club events
Urban commutes where a compact road helmet is preferred
Riders seeking a certified helmet with impact management technology
When it may not be suitable
This helmet is optimized for road riding and may not be ideal for disciplines that require extended face or head coverage, such as downhill mountain biking or BMX. Riders who require integrated audio systems, full-face protection, or a looser, more ventilated MTB-style fit might find other helmet types more appropriate.
Key specifications
Fit range: S size, fits head circumferences approximately 51–55 cm
Construction: road-oriented outer shell with inner SPHERICAL impact management liner
Finish: matte black
Intended use: road cycling, training, commuting
Features: adjustable retention system for secure fit; ventilation channels designed for road use
How to use
Position the helmet level on the head so the front edge sits just above the eyebrows. Adjust the retention system until the helmet is snug but comfortable, ensuring it does not tilt backward or forward. Fasten and adjust the chin straps so they form a V under each ear and secure at a tension that keeps the helmet stable without restricting movement or breathing. Inspect the helmet before each ride for visible damage and replace it after any significant impact.
What to consider before purchase
Measure head circumference to confirm fit within the 51–55 cm S range
Decide whether a road-specific, compact helmet shape suits your riding style and ventilation needs
Consider visibility and finish; matte black offers low reflectivity but may be less visible in low light
Check compatibility with any eyewear, glasses or accessory mounts you plan to use
Usage recommendations
Use the helmet for road training, group rides and commuting. Replace the helmet after a significant crash or if the inner liner or shell shows signs of damage. Pair with visible clothing or lights for low-light conditions to compensate for the matte black finish.

## FAQ

### How much does the GIRO ARIES SPHERICAL road helmet, size S 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 — 22 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 S 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