# Resistance Tube 3-Line Master Ekspander Gumowy 3-linowy MASTER – Master MAS4A045

**URL:** https://aio.lv/en/product--master-mas4a045--11877416
**Data updated:** 2026-03-09 20:42 (EET)
**Category:** Resistance Bands & Hand Grippers
**Manufacturer:** Master
**Manufacturer code:** MAS4A045
**EAN:** 8592833000408
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 20.99 €
**Prices and availability valid until:** 2026-07-22 23:59
**Price without VAT (21%):** 17.35 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--master-mas4a045--11877416

## 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

Master Ekspander Gumowy 3-linowy MASTER is a 3-line resistance tube by Master (model MAS4A045) designed for strength training, rehabilitation and mobility exercises. The three parallel rubber lines provide adjustable resistance suitable for upper- and lower-body workouts, stretching and physiotherapy. Compact and portable, it serves home use, gym warm-ups and travel routines.

## Long description

Master Ekspander Gumowy 3-linowy MASTER is a three-line resistance tube designed for strength training, rehabilitation and mobility exercises. The device consists of three parallel rubber lines joined to a single handle system, offering progressive resistance for controlled movements. Its compact and lightweight construction makes it suitable for home workouts, gym warm-ups and travel exercise routines focused on improving muscle activation, joint stability and flexibility.
Advantages
The three parallel rubber lines provide incremental resistance that can be adapted by changing hand position or grip, enabling a range of intensities without additional equipment. The elastic material ensures smooth tension throughout the movement, reducing shock on joints and allowing controlled eccentric and concentric phases. Its small footprint and low weight make the expander easy to store and carry. The simple construction also facilitates cleaning and quick inspection for wear.
Suitable for
 Upper-body strength exercises such as rows, presses and shoulder movements
 Lower-body activation including glute and hip work, and light leg resistance exercises
 Rehabilitation and physiotherapy modalities to restore range of motion and muscle balance
 Mobility and stretching routines to increase flexibility and joint mobility
 Portable training when travelling or when space for equipment is limited
Key specifications
 Three parallel elastic lines for progressive resistance
 Durable rubber construction for consistent tension
 Compact and lightweight design for portability
 Single integrated handle system for bilateral and unilateral exercises
 Suits both low- and moderate-resistance training modalities
How to use
Securely grasp the handle and position the resistance tube according to the targeted muscle group, either by standing on one end, anchoring around a fixed object or holding both ends for bilateral work. Control the movement through the full range of motion, maintaining steady tempo and proper posture. Adjust resistance by changing grip width, the number of active lines engaged or body leverage. Inspect the elastic lines before each session for signs of wear and replace the band if any cracks or excessive thinning appear.
Usage recommendations
Use the expander for sets of controlled repetitions, typically 8–20 reps depending on exercise and training goals. Combine with bodyweight or free-weight movements for balanced programming. Store the tube away from direct sunlight and heat to prolong material life, and clean with a mild detergent and water as needed.

## FAQ

### How much does the Resistance Tube 3-Line Master MAS4A045 cost, and is it available for purchase?

The price is 20.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 200 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 Master 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 Master 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/11877416/67294503_large.webp