# Bicycle Saddle Wittkop Medicus Twin 4.0 — children’s/comfort bike seat, ergonomic design, model 4.0

**URL:** https://aio.lv/en/product--wittkop-999131200--4072123
**Data updated:** 2026-03-11 11:45 (EET)
**Category:** Kids’ Ride-On Accessories
**Manufacturer:** Wittkop
**Manufacturer code:** 999131200
**EAN:** 4260629691058
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 20.99 €
**Prices and availability valid until:** 2026-07-23 23:59
**Price without VAT (21%):** 17.35 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--wittkop-999131200--4072123

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 30.06.2026 | free |
| Pickup points | 03.07.2026 | 1.89 EUR |
| Courier delivery to door | 03.07.2026 | 4.99 EUR |

## Summary description

Wittkop Medicus Twin 4.0 is a bicycle saddle designed for children and comfort-oriented bikes. The ergonomic seat provides supportive seating for everyday riding and short trips. Intended as a replacement or upgrade saddle, it focuses on rider comfort and posture support. Suitable for family bikes, city bicycles and other casual cycling use.

## Long description

The Wittkop Medicus Twin 4.0 is a children’s and comfort bicycle saddle engineered to provide supportive seating and improved posture for everyday rides and short trips. Designed as a replacement or upgrade for family bikes and city bicycles, this ergonomic seat aims to distribute pressure evenly and reduce discomfort during casual cycling. The profile and padding are optimized for a child’s body and for riders who prefer a relaxed upright position.
Advantages
The saddle combines an ergonomic shape with cushioning that supports the sit bones while maintaining a stable riding position. A durable cover material and reinforced seams enhance wear resistance for regular use. The design helps reduce pressure points and encourages a natural spine alignment, which can be beneficial for short commutes, family outings, and frequent stops typical for children’s cycling.
Suitable for
 Children’s bikes and balance bikes with compatible saddle mounts
 Comfort and city bicycles used for short trips and errands
 Family bicycles where passenger comfort is a priority
 Replacement or upgrade of worn or hard factory saddles
Key specifications
 Ergonomic profile shaped for children and upright riding posture
 Padded seating area for pressure distribution and comfort
 Durable outer material designed for regular outdoor use
 Reinforced seams and base structure for enhanced longevity
 Compatibility with standard saddle rails and common seat posts
How to use
Install the Wittkop Medicus Twin 4.0 by mounting it onto the bicycle’s saddle rails using a compatible seat clamp or rail-mounted seat post. Adjust saddle height and tilt to achieve an upright, comfortable riding position where the rider’s feet can reach the pedals easily and knees remain slightly bent at the bottom of the pedal stroke. Regularly inspect the mounting hardware and cover for wear, and tighten the clamp if the saddle shifts during use.
Usage recommendations
For best comfort, set the saddle at a height that allows a slight bend in the knee when the pedal is at its lowest point and check that the saddle is level or with a slight nose-up tilt to suit the rider’s posture. Clean the cover with mild soap and water and avoid high-pressure washing to prolong the saddle’s materials. Replace if padding or base becomes deformed or if mounting hardware shows signs of fatigue.

## FAQ

### How much does the Wittkop Medicus Twin 4.0 bicycle saddle 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 — 88 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 30.06.2026 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 Wittkop 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 Wittkop 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/4072123/51383505_large.webp