E+STUDIO Dark Knight Gen 2 R188 Bearing Removal & Installation Tool

Precision Bearing Maintenance Tool for EDC Fidget Spinners

The E+STUDIO Dark Knight Gen 2 is a specialized bearing removal and installation tool designed for EDC fidget spinners equipped with compatible R188 bearings.

Whether you're replacing a worn bearing, upgrading your spinner, or performing routine maintenance, this tool provides a more controlled and convenient way to remove and install R188 bearings.

Featuring stainless steel components, protective nylon sleeves, and a 3D-printed PLA housing, the Dark Knight combines practical functionality with a compact mechanical design.

The second-generation design introduces an improved alignment system, making bearing installation easier while helping reduce the risk of damage caused by improper positioning.

Key Features

1. R188 Bearing Removal & Installation

Designed specifically for compatible R188 bearing systems commonly used in premium EDC fidget spinners.

The tool supports both bearing removal and installation, making it a useful accessory for collectors who frequently maintain or customize their spinners.

2. Gen 2 Precision Alignment System

The upgraded second-generation design features a custom alignment tool that helps position bearings correctly during installation.

This allows for more controlled assembly and reduces the likelihood of misalignment.

3. Diagonal Knurled Grip

The stainless steel gripping sections feature diagonal knurling for improved grip and easier manual operation.

The textured surface provides additional control when applying pressure during bearing maintenance.

4. Protective Nylon Bearing Sleeve

A specially designed nylon bearing sleeve provides a protective contact surface between the tool and bearing components.

The nylon material offers a combination of durability and low friction, helping reduce direct metal contact during installation and removal.

5. PLA Protective Housing

The 3D-printed PLA housing provides additional protection and structural support during operation.

Its compact construction helps keep the tool lightweight while providing a stable working structure.

6. Weighted Base for Stable Operation

The weighted stainless steel base helps keep the tool stable during bearing installation and removal.

This improves control and makes the assembly process more comfortable.

7. Compact EDC Maintenance Tool

With a compact cylindrical design, the Dark Knight is easy to store in an EDC toolkit, workshop drawer, or spinner accessory collection.

A practical addition for EDC enthusiasts who enjoy maintaining, upgrading, and customizing their equipment.

Product Specifications

Brand: E+STUDIO

Product Name: Dark Knight Gen 2 Bearing Tool

Product Type: R188 Bearing Removal & Installation Tool

Compatibility: Compatible R188 Bearing Systems

Materials: Stainless Steel, Nylon, PLA

Dimensions: Approx. 25 mm Diameter × 50 mm Height

Weight: Approx. 112 g

Color: Stainless Steel Silver + Black Nylon

Design: Second-Generation Alignment Tool

Application: EDC Fidget Spinner Bearing Maintenance

Package Contents

1 × E+STUDIO Dark Knight Gen 2 Bearing Tool Assembly

1 × Gold-Plated Bearing (as shown in the product images)

Important Notes

Compatibility

Designed for R188 bearing systems. Please verify your spinner's bearing dimensions, mounting structure, and compatibility before purchasing.

Not all R188 bearing installations use the same retention method. Do not force the tool if resistance is excessive.

Manufacturing Characteristics

This product combines machined metal components, manually finished parts, and 3D-printed components.

Minor machining marks, surface variations, and visible 3D-printing layer lines may be present. These are normal characteristics of the manufacturing process.

Some resistance may occur when fitting the nylon sleeve or assembling certain components.

Product Appearance

Product images include rendered illustrations and actual product photographs. Minor differences in color, surface appearance, and finish may occur due to lighting, viewing angles, and display settings.

Why Choose the Dark Knight Gen 2?

For EDC enthusiasts who regularly replace or maintain spinner bearings, having the right tool makes a difference.

The Dark Knight Gen 2 brings together a precision alignment structure, protective nylon components, and a stable metal body in one compact maintenance tool.

Whether you're a dedicated spinner collector or simply want a more convenient way to work with R188 bearings, this tool is a practical addition to your EDC maintenance setup.