# Kids' bike AUTHOR A-Matrix 27.5D Phantom Black/Black 14" 2026 - 27.5" wheels, 14" frame, single-speed

**URL:** https://aio.lv/en/product--author-42963910--12395399
**Data updated:** 2026-04-26 22:22 (EEST)
**Category:** Kids’ Bicycles
**Manufacturer:** AUTHOR
**Manufacturer code:** 42963910
**EAN:** 8590816089839
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 417.49 €
**Prices and availability valid until:** 2026-07-19 23:59
**Price without VAT (21%):** 345.03 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--author-42963910--12395399

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 01.07.2026 | free |
| Pickup points | 06.07.2026 | 1.99 EUR |
| Courier delivery to door | 06.07.2026 | 4.99 EUR |

## Summary description

AUTHOR A-Matrix 27,5D (2026) is a kids' bicycle with 27.5" wheels and a 14" frame designed for young riders. Finished in Phantom Black/Black, it offers a straightforward drivetrain (single-speed), a durable frame suitable for everyday riding, and components matched to children's ergonomics. Ideal for neighborhood rides, school trips and skill development.

## Long description

AUTHOR A-Matrix 27.5D Phantom Black/Black 14" 2026 is a kids' bicycle built with a 14" frame and 27.5" wheels to suit taller children and pre-teens. The single-speed drivetrain and ergonomically matched components create a simple, low-maintenance ride for everyday use. The frame geometry, wheel size and component choices prioritise stability and predictable handling for learning riders, while the Phantom Black/Black finish provides a neutral, durable appearance suitable for school routes and neighbourhood cycling.
Advantages
The single-speed drivetrain reduces maintenance and mechanical complexity, making the bike easy to care for and reliable for regular use. A 14" frame paired with 27.5" wheels offers a balance between comfortable pedalling and confident handling, supporting progression in riding skills. Components are selected for children's ergonomics, including appropriately sized grips, saddle and pedal reach, which improves control and comfort. The durable frame construction and straightforward setup reduce the need for frequent adjustments.
Suitable for
Everyday neighbourhood rides and short trips to school
Children transitioning from smaller bikes to larger wheel sizes
Skill development and learning basic bike-handling techniques
Parents seeking a low-maintenance, single-speed kids' bike
When it may not be suitable
This bike may not be ideal for riders who need multiple gears for hilly terrain or for long-distance cycling where a more varied gear range improves efficiency. It may also be less suitable for riders who require custom-fit adjustments beyond the standard children's geometry, such as those needing specific saddle or handlebar positions for medical or comfort reasons.
Key specifications
Frame size: 14" (designed for children and pre-teens)
Wheel size: 27.5"
Drivetrain: single-speed
Intended use: kids' everyday and learning rides
Finish: Phantom Black/Black
How to use
Adjust saddle height so the child's feet can touch the ground with a slight bend in the knee at the pedal's lowest point. Check tyre pressure before each ride according to the markings on the tyre sidewall. Use the brakes gently at first to build confidence with stopping distance; encourage short practice rides in a safe area to familiarise the rider with balance and steering. Regularly inspect bolts, brake pads and tyre condition to maintain safe operation.
What to consider before purchase
Ensure the 14" frame and 27.5" wheels match the child's height and leg inseam.
Consider whether a single-speed bike meets the local terrain and intended use (hills vs flat routes).
Check saddle and handlebar adjustability to accommodate growth and comfort needs.
Usage recommendations
For safer and longer-lasting use, keep tyres inflated to the recommended pressure, perform basic maintenance checks before rides, and equip the child with a properly sized helmet and reflective clothing for visibility. Adjust saddle height periodically as the child grows to maintain optimal pedalling posture.

## FAQ

### How much does the AUTHOR A-Matrix 27,5D 14" kids' bike cost, and is it available for purchase?

The price is 417.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 10000 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 01.07.2026 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, Installment. All transactions are 100% secure and encrypted.

### Can AUTHOR A-Matrix 27,5D 14" kids' bike 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 AUTHOR 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 AUTHOR 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/12395399/68509940_large.webp