# Office chair Topstar RS1 Black leather, ergonomic design, adjustable height

**URL:** https://aio.lv/en/product--topstar-rs90f-ad0--3697976
**Data updated:** 2025-12-29 13:45 (EET)
**Category:** Ergonomic Chairs
**Manufacturer:** Topstar
**Manufacturer code:** RS90F AD0
**EAN:** 4014296981444
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 437.49 €
**Prices and availability valid until:** 2026-07-14 23:59
**Price without VAT (21%):** 361.56 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--topstar-rs90f-ad0--3697976

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 15.07.2026 | free |
| Courier delivery to door | 20.07.2026 | 53.99 EUR |

## Summary description

Topstar RS1 is an office chair with black leather upholstery, ergonomic design and adjustable height. It provides supportive seating for desk work, meetings or home office use. The chair’s ergonomic shape promotes better posture, while height adjustment adapts to different users and desks for daily comfort and productivity.

## Long description

Topstar RS1 Black leather is an ergonomic office chair with black leather upholstery and adjustable height. Designed for desk work, meetings and home office use, the chair combines an ergonomic shape that supports the spine with simple height adjustment to suit different users and desk heights.
Advantages
The chair features a contoured backrest that promotes better posture and reduces strain during prolonged sitting. Genuine leather upholstery offers a durable, easy-to-clean surface while the adjustable gas lift provides smooth height changes. The stable base and casters ensure mobility and reliable support for daily office tasks.
Suitable for
Office and administrative work
Home office and remote work
Meetings and conference rooms
Key specifications
Brand: Topstar
Model / MPN: RS90F AD0
UAN / EAN: 4014296981444
Upholstery: black leather
Features: ergonomic design, adjustable height
How to use
Adjust the seat height using the lever under the seat so your feet rest flat on the floor and your knees are at approximately 90 degrees. Sit with your back against the contoured backrest to benefit from lumbar support. Use the casters to move the chair short distances; avoid rolling on uneven surfaces or stairs.
Usage recommendations
For longer service life, clean leather with a soft damp cloth and a leather-appropriate cleaner, avoid direct sunlight exposure and check the gas lift and casters periodically for proper function.

## FAQ

### How much does the Topstar RS1 office chair — black leather, adjustable height cost, and is it available for purchase?

The price is 437.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 6 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 15.07.2026 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. 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 Topstar 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 Topstar 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/3697976/47504158_large.webp