Pricing and availability

We compare 600+ stores and found this item at 6 stores. Prices updated .

Sweetwater
5.0 (128)
$108.49
Guitar Center
5.0 (4)
$108.49
Amazon
4.8 (576)
$106.32
Reverb
5.0 (19)
$109.99 New
$76.50 Used
Musician's Friend
5.0 (1)
$108.49
Thomann
4.8 (216)
$115.00 $111.00 $4.00 · All time low

Price History

Based on price data from 4 merchants for "Grover 502 Roto-Grip Locking tuners". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.

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Description

Elevate your guitar's performance with the Grover 502 Roto-Grip Locking Tuners, a perfect blend of precision engineering and reliable operation. Designed for the musician who demands both stability and aesthetics, these tuners offer an unparalleled tuning experience. With an impressive 18:1 gear ratio, precision is in your hands, allowing for finer adjustment and consistent tuning. The locking mechanism is ingeniously simple yet effective; just thread your string, wrap it once, and tighten. This not only makes string changes faster but also ensures that your strings stay put, no matter how hard you play.

These tuners are more than just functional; they're a statement. Finished in gleaming chrome, they add a touch of class to any guitar. Whether you're looking to upgrade your current machine heads or replace worn-out ones, the Grover 502 Roto-Grip Locking Tuners come with all the necessary mounting hardware, making installation a breeze. They're compatible with most standard guitars, offering a universal solution with exceptional results. Experience tuning stability that lets you focus on what truly matters - your music.

Key Features:

  • Locking tuners for enhanced tuning stability
  • 18:1 gear ratio for precise tuning adjustments
  • Chrome finish for an elegant look
  • Includes all necessary mounting hardware for easy installation
  • Suitable for most standard guitars with a 3 x 3 configuration

Product specs

Intended Instrument Guitar
Configuration 3+3
Finish Chrome
Locking Yes
Gear Ratio 18:1
Peg Diameter 0.391" (peg hole)

FAQs

What is the benefit of using Grover 502 Roto-Grip Locking tuners on my guitar?

Grover 502 Roto-Grip Locking tuners provide enhanced tuning stability by locking the string in place, reducing slippage and making it easier to maintain tuning even during aggressive playing or string bending.

Are Grover 502 Roto-Grip Locking tuners easy to install on my guitar?

Yes, they are designed to fit most guitars with a 3+3 headstock configuration and a peg hole diameter of 0.391", making them straightforward to install with basic tools.

How does the 18:1 gear ratio of Grover 502 Roto-Grip Locking tuners affect tuning?

The 18:1 gear ratio offers precise tuning adjustments, allowing for smooth and accurate tuning changes, which is particularly beneficial for fine-tuning your instrument.

Will the chrome finish on Grover 502 Roto-Grip Locking tuners match my guitar's hardware?

The chrome finish is a popular and versatile choice that complements a wide range of guitar hardware finishes, providing both aesthetic appeal and durability.

Are Grover 502 Roto-Grip Locking tuners suitable for both electric and acoustic guitars?

Yes, these tuners are compatible with most electric and acoustic guitars that have a 3+3 headstock configuration, making them a versatile choice for various guitar types.

Woodeso's Guitar Mods

Woodeso's Guitar Mods

2014 Gibson SGJ: Installing Grover 502C 18:1 Locking Tuners

Video thumbnail for 2014 Gibson SGJ: Installing Grover 502C 18:1 Locking Tuners by Woodeso's Guitar Mods

2014 Gibson SGJ: Installing Grover 502C 18:1 Locking Tuners

Woodeso's Guitar Mods

Woodeso's Guitar Mods

Video thumbnail for Removing Gibson G FORCE: Grover 502C Locking 18:1 Tuners Installed by Woodeso's Guitar Mods

Removing Gibson G FORCE: Grover 502C Locking 18:1 Tuners Installed

Woodeso's Guitar Mods

Woodeso's Guitar Mods

Reviews

PROS

  • High-quality build, smooth operation with 18:1 tuning ratio

  • Locking mechanism allows for quick string changes and better tuning stability

  • Available in multiple finishes: Chrome, Gold, and Black Chrome

  • Direct retrofit for many guitars, including Epiphone and Gibson models

  • Enhances tuning stability under various environmental conditions

  • Easy installation with minimal adjustments required

  • Significantly improves tuning precision and feel for most users

CONS

  • Not available in Nickel finish, potentially mismatching some guitar hardware

  • Shorter stem length may affect string angle on some guitars

  • Slightly smaller dimensions may reveal old tuner markings

  • Perceived inconsistency in feel among different sets of tuners

  • Higher price point compared to other locking tuners on the market

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Grover 502 Roto-Grip Locking tuners.

Mods and upgrades

  • Grover 502N roto-grip locking tuners fit perfectly on a 60s Standard without requiring new drill holes, preserving the guitar's value and integrity.

    Source
  • Replacing stock tips with Keystone buttons on Grover tuners is recommended for a cooler appearance compared to standard kidney-shaped buttons.

    Source
  • Plastic keystone buttons can be sourced from Hipshot to replace Grover's Kluson-style tuners for a preferred aesthetic.

    Source

Features and functionality

  • The Grover 502 series allows for easy button swaps, as Grover buttons fit Hipshot tuners without issues, offering aesthetic customization.

    Source
  • Roto-grip tuners have shorter post heights than self-locking models, improving break angle between post and nut, especially on Gibsons.

    Source
  • Grover 502K tuners are identified by their keystone shape, with metal variants labeled as 502CK and standard shape as 502C.

    Source

Comparisons

  • Hipshot Griplock tuners are praised for their high quality at a lower price compared to Graphtech Ratio tuners, which are noted for their unique tuning concept.

    Source
  • Gotoh tuners are praised for their quality, offering an alternative to Grover for Les Paul standards.

    Source

User experience

  • Owners note that swapping Grover 502C Rotogrip Rotomatics onto multiple guitars results in reliable performance and high satisfaction.

    Source
  • Users find Roto-grip tuners easier to use compared to self-locking counterparts, enhancing overall tuning experience for many guitarists.

    Source
  • Some users suggest that a luthier's knot can simplify string changes without the need for locking tuners, highlighting a cost-effective alternative.

    Source

5.0 out of 5

Based on 0 Reviews and 2 Ratings

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Artist usage

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See how Hunter Agufish uses Grover 502 Roto-Grip Locking tuners

Hunter Agufish

Guitarist, Music Producer

...
Verified via YouTube

In this video Hunter upgrades a firebird zero. For this build Hunter uses a set of Grover locking tuners

See how Mike Dimkich uses Grover 502 Roto-Grip Locking tuners

Mike Dimkich

Guitarist

Bad Religion

...
Verified via YouTube

Mike has upgraded all of his guitars with grover locking tuners

Genre Usage

Based on how artists on Equipboard use this gear, it is most commonly found in the following genres.

Used With

Based on how musicians on Equipboard use Grover 502 Roto-Grip Locking tuners, it is most commonly used with the following gear.

Community setups

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parhelia_0000

parhelia_0000

Gear IQ 10745

gtrplyr83

gtrplyr83

Gear IQ 176

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