# Frame-mounted bicycle bag ER4 RIDER105B with bottle pocket, black

**URL:** https://aio.lv/en/product--er4-rider105b--11700616
**Data updated:** 2026-03-08 08:46 (EET)
**Category:** Outdoor & Sports Accessories
**Manufacturer:** ER4
**Manufacturer code:** RIDER105B
**EAN:** 5902270774023
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 13.49 €
**Prices and availability valid until:** 2026-07-15 23:59
**Price without VAT (21%):** 11.15 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--er4-rider105b--11700616

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 02.07.2026 | free |
| Pickup points | 07.07.2026 | 1.99 EUR |
| Courier delivery to door | 07.07.2026 | 4.99 EUR |

## Summary description

Frame-mounted bicycle bag ER4 RIDER105B is designed to attach under the bicycle frame and includes a dedicated pocket for a water bottle. The compact bag provides storage for tools, small accessories and personal items while riding. It fastens to the frame for secure carry and is suitable for daily commutes, leisure cycling and short tours.

## Long description

Frame-mounted bicycle bag ER4 RIDER105B with bottle pocket, black is a compact storage solution designed to attach beneath the bicycle frame. The bag provides organized space for essential tools, spare parts and small personal items, while the integrated bottle pocket holds a standard cycling water bottle. Constructed for daily commuting, leisure rides and short tours, the ER4 frame bag fastens securely to the frame to minimize movement and maintain a low center of gravity.
Advantages
The ER4 RIDER105B combines a slim profile with an external bottle pocket, allowing riders to carry hydration and essentials without affecting pedaling clearance. Its frame-mounted design keeps cargo stable and balanced, reducing swing and noise during rides. The reinforced attachment points and weather-resistant fabric provide a durable option for frequent use. The bag's modest capacity and shape are optimized to fit common bicycle frames while leaving room for cable routing and bottle cages.
Suitable for
 Daily commuting where compact storage is needed
 Leisure cycling and short recreational rides
 Short cycle tours requiring basic tool and accessory storage
 Bikes without sufficient top-tube or seat-post bags where frame mounting is preferred
Key specifications
 Mounting position: under the bicycle frame (frame-mounted)
 Exterior pocket: dedicated bottle pocket for a standard water bottle
 Color: black
 Capacity: compact volume suitable for tools, spare tube, multi-tool and personal items
 Attachment: straps or reinforced fasteners designed for secure fit to frame tubes
 Material properties: weather-resistant fabric with reinforced seams for durability
 Profile: low-profile design to maintain pedaling clearance and reduce interference
How to use
Position the ER4 RIDER105B beneath the bicycle frame and align it so the bottle pocket is accessible from the side you prefer. Secure the bag to the frame tubes using the supplied straps or fasteners, making sure attachment points are tightened to prevent shifting. Place tools, spare tube and small accessories inside the main compartment and insert a compatible water bottle into the bottle pocket. Check that the bag does not interfere with pedals, cranks or braking cables before riding.
Usage recommendations
For best results, install the bag on a clean, dry frame and periodically inspect straps and seams for wear. Use lightweight items to avoid overloading the bag, and secure sharp tools in a pouch to protect the bag's interior. Remove the bag for cleaning and allow it to air dry; avoid machine washing or tumble drying to preserve fabric coatings and fasteners.

## FAQ

### How much does the ER4 RIDER105B frame-mounted bicycle bag cost, and is it available for purchase?

The price is 13.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 2 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 02.07.2026 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 ER4 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 ER4 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/11700616/67083670_large.webp