# Cutting Trimmer Line for Petrol Grass Trimmer Bigstern 21073 — Bigstern replacement spool

**URL:** https://aio.lv/en/product--bigstern-00021073--11352715
**Data updated:** 2026-04-29 18:48 (EEST)
**Category:** Garden Equipment Accessories
**Manufacturer:** Bigstern
**Manufacturer code:** 00021073
**EAN:** 5904665712191
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 10.99 €
**Prices and availability valid until:** 2026-07-20 23:59
**Price without VAT (21%):** 9.08 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--bigstern-00021073--11352715

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 16.07.2026 | free |
| Pickup points | 21.07.2026 | 1.89 EUR |
| Courier delivery to door | 21.07.2026 | 4.99 EUR |

## Summary description

Replacement cutting trimmer line designed for use with petrol grass trimmers, compatible with Bigstern model 21073. This spool provides the cutting filament needed for grass and weed trimming tasks around gardens and yards. Intended as a consumable accessory for maintenance and continued operation of the trimmer, it suits routine lawn edge cutting, undergrowth clearing and general vegetation management.

## Long description

Replacement cutting trimmer line designed for use with petrol grass trimmers, compatible with Bigstern model 21073. This pre-wound spool supplies the cutting filament required to trim grass and weeds around gardens and yards. As a consumable accessory, it enables continued operation of the trimmer and supports routine lawn edge cutting, clearing of undergrowth and general vegetation management.
Advantages
The replacement spool offers a quick way to restore cutting performance without disassembling the trimmer head extensively. Manufactured to fit the Bigstern petrol trimmer model specified, the filament is balanced for consistent feed and predictable cutting action. Using a dedicated replacement spool reduces downtime and simplifies maintenance compared with cutting and winding line manually.
Suitable for
Edge trimming along paths, driveways and flowerbeds
Removing light to moderate weeds and grass in lawns and yards
Clearing around trees, fences and garden structures
Regular maintenance of residential green areas
Key specifications
Pre-wound spool format for quick replacement
Cylindrical filament suitable for cutting grass and soft weeds
Designed for petrol-powered grass trimmers
Intended as a consumable accessory for routine use
How to use
Switch off the trimmer and disconnect spark plug or fuel supply according to the trimmer manufacturer’s safety instructions. Remove the trimmer head cover or spool cap, take out any remaining filament, and install the replacement pre-wound spool into the head following the trimmer’s assembly orientation. Feed any required filament ends through the designated eyelets, replace the cover and secure it. After installation, perform a short functional check at low throttle to confirm correct feed and balance before normal operation.
Usage recommendations
Use the replacement spool only with compatible petrol trimmers and follow the trimmer manufacturer’s safety and maintenance instructions. Wear appropriate personal protective equipment (gloves, eye protection, long trousers) while installing the spool and during trimming operations. Replace the spool when cutting performance decreases or the filament wears down.

## FAQ

### How much does the Trimmer Line Bigstern 21073 cost, and is it available for purchase?

The price is 10.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 85 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 16.07.2026 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, Bank cards on-line, Apple Pay, Google Pay. 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 Bigstern 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 Bigstern 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/11352715/65820144_large.webp