---
product_id: 51857908
title: "Accordion Accessory (502C)"
brand: "grover"
price: "€ 464.26"
currency: EUR
in_stock: true
url: https://www.desertcart.com.cy/products/51857908-accordion-accessory-502c
store_origin: CY
region: Cyprus
---

# Standard 10mm peg hole compatibility Thumb screw locking mechanism 18:1 Rotomatic precision gear ratio Accordion Accessory (502C)

**Brand:** grover
**Price:** € 464.26
**Availability:** ✅ In Stock

## Summary

> 🎸 Lock in legendary tuning precision and never miss a beat!

## Quick Answers

- **What is this?** Accordion Accessory (502C) by grover
- **How much does it cost?** € 464.26 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.cy](https://www.desertcart.com.cy/products/51857908-accordion-accessory-502c)

## Best For

- grover enthusiasts

## Why This Product

- Trusted grover brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Sleek Chrome Finish:** Polished chrome hardware adds a professional, eye-catching shine to your instrument, making your guitar stand out on stage.
- • **Seamless Standard Fit:** Designed as the perfect drop-in replacement for most standard machine heads with 10mm peg holes—upgrade without hassle.
- • **Effortless Lock & Secure:** Innovative thumb screw locking heads guarantee your strings stay locked in place, eliminating slippage during intense performances.
- • **Precision Tuning Mastery:** Experience ultra-fine tuning control with the legendary 18:1 Rotomatic gear ratio, ensuring your guitar stays pitch-perfect.
- • **Complete Installation Kit:** Includes all mounting screws, threaded hex peghead bushings, and washers for a smooth, no-fuss upgrade experience.

## Overview

The Grover Accordion Accessory (502C) features the iconic 18:1 Rotomatic gear ratio with a thumb screw locking mechanism, providing precise and stable tuning. Crafted from durable metal with a polished chrome finish, it fits standard 10mm peg holes and comes complete with all necessary mounting hardware for easy installation. Trusted by musicians since 1922, this accessory ensures your guitar stays perfectly tuned through every performance.

## Description

Accordion Accessory (502C)

## Features

- Insert the string through the post hole, wrap around once, then lock by tightening with the thumb screw.
- Locking machine heads utilize the famous 18:1 Rotomatic design with a "thumb screw" mechanism.
- Perfect replacement for the most standard machine heads. Chrome, 3 Per Side.
- Includes all mounting hardware.
- Mounting screws and threaded hex peg head bushings with washers are included.10mm-diameter (13/32") peg holes required

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Item weight | 0.4 Pounds |
| Body material | Metal |
| Connector type | 1/4" Jack |
| Included components | Mounting screws, threaded hex peghead bushings with washers, and mounting hardware |
| Finish type | Glossy or Polished |
| Manufacturer | Grover |
| UPC | 133588806099 082562082977 |
| Global Trade Identification Number | 00082562082977, 00133588806099 |
| Product Dimensions | 11.18 x 2.03 x 22.1 cm; 181.44 g |
| Item model number | 502C |
| Material Type | Metal |
| Musical Style | rock |
| Item Weight | 181 g |

## Product Details

- **Colour:** Chrome
- **Brand:** Grover
- **Material:** Metal
- **Model name:** 502C
- **Item dimensions L x W x H:** 11.2 x 2 x 22.1 centimetres

## Images

![Accordion Accessory (502C) - Image 1](https://m.media-amazon.com/images/I/51cHQ0FMtsL.jpg)
![Accordion Accessory (502C) - Image 2](https://m.media-amazon.com/images/I/51lOwVaImtL.jpg)

## Frequently Bought Together

- Grover Accordion Accessory (502C)
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**Shop now:** [https://www.desertcart.com.cy/products/51857908-accordion-accessory-502c](https://www.desertcart.com.cy/products/51857908-accordion-accessory-502c)

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*Product available on Desertcart Cyprus*
*Store origin: CY*
*Last updated: 2026-02-10*