---
product_id: 2010199
title: "Grover 102C Rotomatic Tuners - 3+3 - Chrome"
brand: "grover"
price: "R$990"
currency: BRL
in_stock: true
reviews_count: 13
category: "Grover"
url: https://www.desertcart.com.br/products/2010199-grover-102c-rotomatic-tuners-3-3-chrome
store_origin: BR
region: Brazil
---

# World's finest machine heads Fits most guitars Proudly made in the USA Grover 102C Rotomatic Tuners - 3+3 - Chrome

**Brand:** grover
**Price:** R$990
**Availability:** ✅ In Stock

## Summary

> 🎶 Tune In, Rock Out! Elevate your sound with GroverAccordion!

## Quick Answers

- **What is this?** Grover 102C Rotomatic Tuners - 3+3 - Chrome by grover
- **How much does it cost?** R$990 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.br](https://www.desertcart.com.br/products/2010199-grover-102c-rotomatic-tuners-3-3-chrome)

## 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

- • **Universal Fit:** Easily fits most guitars without any modifications, making it a hassle-free upgrade.
- • **Lifetime Assurance:** Enjoy peace of mind with a lifetime warranty on your purchase.
- • **Tune with Confidence:** Experience unparalleled tuning stability with the world's finest machine heads.
- • **Precision Engineering:** Crafted with a shaft diameter of 9.8mm (.39''), ensuring a perfect fit.
- • **American Craftsmanship:** Proudly made in the USA, supporting local artisans and quality.

## Overview

The GroverAccordion Accessory (102C) features the world's finest machine heads designed to keep your guitar in perfect tune. With a universal fit for most guitars, a lifetime warranty, and precision engineering, this accessory is a must-have for any serious musician. Proudly made in the USA, it combines quality craftsmanship with reliability.

## Description

These guitar machines are a triumph in engineering and styling. The housing provides a maximum bearing for worm, gear and string post. Gear ratio is 14:1. Worm and gear are precision-cut for perfect meshing. This eliminates backlash and slippage. Countersunk tension screw permits player to regulate turning tension to any degree. Gear box has a special lubricant for lifetime, trouble-free service. Includes 5/8” washers, bushings and wood screws.

Review: Great Upgrade For Any Guitar - I'm an avid rock guitarist & do-it-yourselfer, and I bought and assembled a guitar kit a couple years ago, just on a whim. It turned out to be an awesome guitar, and the only thing that prevented it from being gig-worthy were the tuners (they couldn't stay in tune for five minutes, even with perfect bridge intonation). So I swapped 'em out for a set of these Grovers, and it made all the difference in the world. You can rock hard and shred to your heart's content without fear of going out of tune. They've got a great solid feel to them and look really nice. The 14:1 gear ratio is just right for precise tuning. One quick note: these machine heads are for 3/8 inch (9.5 mm) diameter post holes, so you might want to check your existing holes to see if they'll need to be modified. Of course, any luthier can drill them wider if need be, but it's just something to keep in mind. I would highly recommend this product to anyone who's looking to seriously upgrade their guitar's overall performance. Great buy!
Review: Easy install - Installed easily, maybe took me 10 minutes total. Look good on my guitar, work way better than the old tuners!

## Features

- Guitar Tuning Machine Heads (3 + 3 Configuration) with 14:1 Gear Ratio
- Enclosed Permanently Lubricated - Set of 6
- Chrome

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0002GJGUM |
| Amperage | 9 milliamps |
| Best Sellers Rank | #41,574 in Musical Instruments ( See Top 100 in Musical Instruments ) #93 in Guitar Signal Path & Pedal Tuners #3,119 in Electric Guitar Parts |
| Brand | Grover |
| Brand Name | Grover |
| Color | Black Chrome |
| Controls Type | Knob |
| Customer Reviews | 4.7 out of 5 stars 119 Reviews |
| Global Trade Identification Number | 00082562074958 |
| Included Components | Washers, Bushings, Wood Screws |
| Item Dimensions | 9 x 4.8 x 1.8 inches |
| Item Type Name | Accordion Accessory |
| Item Weight | 11.36 ounces |
| Manufacturer | Grover |
| Manufacturer Part Number | 103NT |
| Model Name | 102C |
| Model Number | 102C |
| Number of Items | 1 |
| Number of Packs | 1 |
| Power Source | Corded Electric |
| Set Name | Set of six |
| Signal Format | Analog |
| Style | Modern |
| UPC | 082562074958 082562660014 |
| Unit Count | 6 Count |
| Voltage | 1 |
| Warranty Description | Lifetime warranty. |

## Product Details

- **Brand:** Grover
- **Color:** Black Chrome
- **Item Weight:** 10.4 Ounces
- **Voltage:** 1
- **Amperage:** 9 Milliamps

## Images

![Grover 102C Rotomatic Tuners - 3+3 - Chrome - Image 1](https://m.media-amazon.com/images/I/71XPii+ONFL.jpg)
![Grover 102C Rotomatic Tuners - 3+3 - Chrome - Image 2](https://m.media-amazon.com/images/I/41Va785AWSL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great Upgrade For Any Guitar
*by L***Y on December 10, 2012*

I'm an avid rock guitarist & do-it-yourselfer, and I bought and assembled a guitar kit a couple years ago, just on a whim. It turned out to be an awesome guitar, and the only thing that prevented it from being gig-worthy were the tuners (they couldn't stay in tune for five minutes, even with perfect bridge intonation). So I swapped 'em out for a set of these Grovers, and it made all the difference in the world. You can rock hard and shred to your heart's content without fear of going out of tune. They've got a great solid feel to them and look really nice. The 14:1 gear ratio is just right for precise tuning. One quick note: these machine heads are for 3/8 inch (9.5 mm) diameter post holes, so you might want to check your existing holes to see if they'll need to be modified. Of course, any luthier can drill them wider if need be, but it's just something to keep in mind. I would highly recommend this product to anyone who's looking to seriously upgrade their guitar's overall performance. Great buy!

### ⭐⭐⭐⭐⭐ Easy install
*by B***N on September 24, 2026*

Installed easily, maybe took me 10 minutes total. Look good on my guitar, work way better than the old tuners!

### ⭐⭐⭐⭐⭐ Replaced original machine heads on my Guild
*by E***S on March 22, 2014*

These machine heads are first quality, simple to install and guaranteed for life. The gear on one of the original machine heads on my 1979 Guild D40-NT stripped. I took the machine head to my local music store and was told it could not be repaired since the gears are sealed inside the housing. I looked on E-Bay and found the original machine heads selling for $169 -- pitting and all. I looked on Amazon and found these Grovers. Got them in two days and installed them myself -- real easy, no drilling involved. The luthier at Guitar Center wanted $39 to install plus cost of machine heads. These fit, look and work great. I am so glad to have been able to repair and upgrade my trusty old friend myself!

## Frequently Bought Together

- Grover Accordion Accessory (102C)
- The Art Of Tone Gavitt Pushback Cloth Wire for Electric Guitar, 22awg Pre-tinned Stranded Copper Wire, 10 feet of Each Color, Black/White/Yellow
- D'Addario Guitar Strings - NYXL Electric Guitar Strings - NYXL0942 - Unrivaled Strength, Tuning Stability, Enhanced Mid-Range - For 6 String Guitars - 09-42 Super Light

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**Shop now:** [https://www.desertcart.com.br/products/2010199-grover-102c-rotomatic-tuners-3-3-chrome](https://www.desertcart.com.br/products/2010199-grover-102c-rotomatic-tuners-3-3-chrome)

---

*Product available on Desertcart Brazil*
*Store origin: BR*
*Last updated: 2026-09-27*