# Inline skates Blackwheels Sonic Green-Black size 39–42 adjustable

**URL:** https://aio.lv/en/product--inline-skates-blackwheels-sonic-green-black-size-39-42-adjustable--10443154
**Data updated:** 2026-02-12 21:55 (EET)
**Category:** Roller Skates
**Manufacturer:** Blackwheels
**EAN:** 5901793678863
**Warranty:** 2 Years
**Availability:** Out of stock

## Summary description

Blackwheels Sonic inline skates in green and black, adjustable across sizes 39–42. Designed for recreational skating, they offer a multi-size shell for growing feet, standard frame with four wheels and a secure closure system for stability. Suitable for city, park and fitness use, they provide convenience and extended wear through the adjustable fit.

## Long description

Blackwheels Sonic Green-Black inline skates are adjustable recreational skates designed to fit sizes 39–42. The skates combine a multi-size hard shell with a standard aluminium or composite frame holding four aligned wheels and a secure closure system to provide stability during city, park and fitness skating. The adjustable shell allows gradual size increases, extending the usable life of the skates for growing feet.
Advantages
The adjustable sizing mechanism provides a customizable fit across four European sizes without the need for multiple pairs. A secure closure system—typically a combination of buckle, strap and laces—ensures firm ankle support and prevents unwanted movement inside the boot. The four-wheel configuration on a rigid frame offers predictable rolling performance and balance for recreational and fitness use. Durable outer materials and replaceable wheels extend service life and simplify maintenance.
Suitable for
 City commuting and short urban trips
 Recreational skating in parks and promenades
 Fitness sessions focused on low- to moderate-intensity cardio
 Beginners and intermediate skaters who need an adjustable fit
Key specifications
 Adjustable size range: European sizes 39–42
 Colour: green and black exterior design
 Boot type: hard shell with inner liner for comfort
 Closure system: combination of buckle, strap and lace fastening
 Frame: standard 4-wheel inline frame (aluminium or composite construction)
 Wheels: four aligned wheels suitable for recreational surfaces
 Braking: rear brake included on the right skate
 Intended use: city, park and fitness skating
How to use
Select the initial shell position that matches the wearer’s current shoe size, then tighten the inner liner and secure the closure system so the foot is held comfortably but not excessively tight. Adjust the shell size forward as the wearer’s foot grows, following the manufacturer’s incremental size positions. Use the rear brake for controlled stops on moderate inclines and practice basic balance and turning techniques in a safe, traffic-free area before riding in busy locations. Inspect wheels and bearings periodically and replace worn components as needed.
Usage recommendations
Regularly check fastenings, wheel condition and brake functionality before each use. Wear a helmet, wrist guards and knee pads for safety, and avoid wet or heavily gravelled surfaces to reduce wear and risk of falls.

## FAQ

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer. 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 Blackwheels 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 Blackwheels 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/10443154/52455542_large.webp