# Knob Washer Manfrotto R405,21 — replacement washer for tripod knob

**URL:** https://aio.lv/en/product--manfrotto-r40521--1894999
**Data updated:** 2025-12-29 07:52 (EET)
**Category:** Tripods
**Manufacturer:** Manfrotto
**Manufacturer code:** R405,21
**EAN:** 8024221412086
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 10.49 €
**Prices and availability valid until:** 2026-07-20 23:59
**Price without VAT (21%):** 8.67 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--manfrotto-r40521--1894999

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 10.07.2026 | free |
| Pickup points | 15.07.2026 | 1.89 EUR |
| Courier delivery to door | 15.07.2026 | 4.99 EUR |

## Summary description

Manfrotto Knob Washer R405,21 is a genuine replacement washer designed for use with compatible Manfrotto tripod or accessory knobs. It serves as a mounting and friction element to ensure secure tightening and smooth operation of the knob. Suitable for maintenance, repair, or parts replacement to restore proper function of tripod controls.

## Long description

Manfrotto Knob Washer R405,21 is a genuine replacement washer designed for use with compatible Manfrotto tripod or accessory knobs. It functions as a mounting and friction element to ensure secure tightening and smooth operation of horizontal knobs on tripod heads, helping restore proper control and stability during adjustments.
Advantages
The washer is an original Manfrotto spare part engineered to fit the 405 tripod head series and related knobs. It provides reliable friction and positioning, resists wear under normal use, and simplifies maintenance or repair by allowing precise reassembly of the knob mechanism.
Suitable for
Replacement part for Manfrotto 405 tripod head knobs
Maintenance and repair of compatible Manfrotto tripods and accessories
Restoring proper tension and smooth rotation of horizontal knobs
Key specifications
Brand: Manfrotto
Manufacturer part number (MPN): R405,21
Compatible with: Manfrotto 405 tripod head (horizontal knob)
Type: Replacement washer / spare part
EAN: 8024221412086
How to use
Remove the knob from the tripod head following the manufacturer’s instructions, replace the worn or damaged washer with the Manfrotto R405,21 part, and reassemble the knob ensuring correct alignment. Test the knob operation and adjust tightening to achieve the desired friction and secure locking.
Usage recommendations
Use the washer only with compatible Manfrotto knobs and tripod heads; inspect parts for wear periodically and replace the washer if you notice reduced friction, slipping, or irregular knob movement.

## FAQ

### How much does the Manfrotto Knob Washer R405,21 cost, and is it available for purchase?

The price is 10.49 € (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 10.07.2026 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 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/1894999/3908566_large.webp