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

**URL:** https://aio.lv/en/product--giro-gr-39360-224-s--12375697
**Data updated:** 2026-04-26 20:47 (EEST)
**Category:** Protective Helmets
**Manufacturer:** GIRO
**Manufacturer code:** GR-39360-224-S
**EAN:** 199270038780
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 294.99 €
**Prices and availability valid until:** 2026-08-17 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-39360-224-s--12375697

## 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 stone finish, size S (51–55 cm). It features SPHERICAL technology for optimized impact management, exchangeable fit pads and an adjustable retention system for stable fit. Designed for road cyclists seeking reliable protection and comfort on training rides and races.

## Long description

The GIRO ARIES SPHERICAL road helmet in matte stone, size S (51–55 cm), combines Giro's SPHERICAL impact-management technology with a streamlined road-oriented shell. It is designed to provide controlled energy management in oblique and direct impacts while maintaining a low-profile fit and lightweight feel suitable for training rides and competitive racing. The helmet includes exchangeable fit pads and an adjustable retention system to fine-tune comfort and stability on varying head shapes.
Advantages
SPHERICAL technology integrates a two-piece shell construction that improves rotational and linear impact management without adding unnecessary bulk. The adjustable retention system and interchangeable pads allow personalized fit and pressure distribution, while the matte stone finish offers a neutral aesthetic that resists visible scuffs. Venting and internal channeling are tuned for road use to balance cooling and aerodynamics.
Suitable for
 Road training rides and group training sessions
 Road races and criteriums where low profile and ventilation matter
 Commuting by bike when you prefer a performance-oriented helmet
 Cyclists seeking a size S helmet for head circumferences 51–55 cm
When it may not be suitable
This helmet is optimized for road cycling and may not offer the same coverage or features desirable for off-road disciplines such as mountain biking, where extended rear coverage and specific visor protection are common. Riders who require integrated lighting, audio systems, or extreme cold-weather insulation may prefer helmets designed specifically for those features.
Key specifications
 Fit range: 51–55 cm (size S)
 Construction: SPHERICAL two-piece shell for rotational and linear impact management
 Interior: Exchangeable fit pads for size fine-tuning and hygiene
 Retention: Adjustable retention system for stable fit
 Finish: Matte stone color
 Intended use: Road cycling (training and racing)
How to use
Place the helmet level on the head so the front edge sits just above the brow. Adjust the retention dial or mechanism until the helmet feels snug but not tight; it should not move significantly when you shake your head. Replace or reposition the exchangeable fit pads to eliminate pressure points and achieve an even fit. Secure and adjust the side straps so they form a V just below each ear, and fasten the buckle under the chin with enough room for one or two fingers between strap and chin for comfort and safety.
What to consider before purchase
 Measure head circumference to confirm the 51–55 cm fit range is suitable
 Consider whether road-oriented ventilation and coverage meet your riding discipline
 Decide if you want additional accessories (lights, cameras) and check compatibility
 Check available pad replacements or sizing accessories for personalized fit
Usage recommendations
Replace the helmet after any significant impact, follow manufacturer care instructions for cleaning and pad replacement, and periodically check the retention system and straps for wear to ensure ongoing protection and proper fit.

## FAQ

### How much does the GIRO ARIES SPHERICAL road helmet S (51–55 cm) 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 — 16 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 S (51–55 cm) 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