# Tripod Ball Head Locking Knob Manfrotto Blokada kuli do MHXPRO BHQ2 R4190,21

**URL:** https://aio.lv/en/product--manfrotto-r419021--11829760
**Data updated:** 2026-03-09 14:39 (EET)
**Category:** Other goods
**Manufacturer:** Manfrotto
**Manufacturer code:** R4190,21
**EAN:** 8024221651003
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 35.49 €
**Prices and availability valid until:** 2026-08-18 23:59
**Price without VAT (21%):** 29.33 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--manfrotto-r419021--11829760

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 03.08.2026 | free |
| Pickup points | 06.08.2026 | 1.79 EUR |
| Courier delivery to door | 06.08.2026 | 4.99 EUR |

## Summary description

Replacement locking knob designed for Manfrotto MHXPRO BHQ2 ball head (MPN R4190,21, EAN 8024221651003). This mechanical component secures the ball head’s movement and tension, restoring proper locking and adjustment of camera position. Suitable for repairs or maintenance of compatible Manfrotto ball heads to ensure stable camera support during shooting.

## Long description

Replacement locking knob designed for Manfrotto MHXPRO BHQ2 ball head. This precision-machined mechanical component restores the ball head’s locking function and tension control, allowing secure positioning of the camera. It is intended as a spare part for repair or maintenance of compatible Manfrotto ball heads and helps re-establish smooth adjustment and reliable hold during photography and videography sessions.
Advantages
The replacement knob provides a direct fit for compatible ball head models and is manufactured to match the original shape and thread interface for correct engagement. It restores the locking performance without requiring replacement of the entire head, reducing downtime and cost for maintenance. The part is durable, easy to install and returns precise control over ball tension and camera orientation.
Suitable for
 Repairing or replacing a worn or damaged locking knob on compatible Manfrotto ball heads
 Routine maintenance to restore smooth locking and tension control
 Photographers and videographers who need stable camera positioning
 Workshop or service technicians performing part-level replacements
Key specifications
 Function: Ball head locking and tension control knob
 Compatibility: Designed for compatible Manfrotto MHXPRO BHQ2-type ball heads
 Material: Metal and/or reinforced polymer components for durability
 Interface: Threaded engagement matching original ball head mechanism
 Finish: Corrosion-resistant finish suitable for frequent handling
How to use
To replace the locking knob, first ensure the ball head is unloaded and the camera removed. Loosen and remove the existing damaged knob by unscrewing it counterclockwise; if necessary, consult the ball head manual for access to retaining fasteners. Install the replacement knob by aligning the threaded interface and turning clockwise until fully engaged; do not overtighten. After installation, test ball tension and locking function, making small adjustments as needed to achieve the desired friction and secure positioning.
Usage recommendations
Perform replacement in a clean, dry environment and inspect the ball head for any additional wear or damage. Use appropriate tools if a retaining screw or washer must be removed. After fitting the knob, verify safe operation with the intended camera and load before critical shoots.

## FAQ

### How much does the Manfrotto Blokada kuli do MHXPRO BHQ2 locking knob cost, and is it available for purchase?

The price is 35.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 5 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 03.08.2026 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 Manfrotto 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 Manfrotto 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/11829760/67230541_large.webp