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Prometheus Gearbox Adjustment Shim Set

£12.00
Out Of Stock
SKU
4571443188694

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  • This item: Prometheus Gearbox Adjustment Shim Set £12.00 Out of stock

Prometheus Gearbox Adjustment Shim Set (For Ball Bearings)

The secret to a perfectly tuned, whisper-quiet, and high-performance gearbox is all in the shimming.

If you are upgrading your AEG to run smoother, faster, and last longer, the Prometheus Gearbox Adjustment Shim Set is an absolute tech-bench essential. Engineered specifically to work flawlessly alongside ball bearings, these ultra-precise shims allow you to eliminate gear play, optimize engagement, and drastically reduce friction inside your gearbox.

With an outer diameter of 5.8mm, these shims are specifically designed to clear the outer flange of 8mm ball bearings. This prevents the shim from rubbing against the bearing casing, ensuring your gears spin with zero drag.

Key Features

  • Bearing-Safe Design: The 5.8mm outer diameter clears ball bearing flanges perfectly to eliminate friction and drag.

  • Ultimate Precision Tuning: Comes with 5 different ultra-fine thicknesses (ranging from 0.1mm to 0.5mm) to let you achieve the perfect mesh.

  • Premium Prometheus Quality: Made by Laylax/Prometheus to strict Japanese tolerances—they won't warp or crush under high-stress builds.

  • Wide Compatibility: Designed to fit 3mm gear shafts, making them perfect for Tokyo Marui, Prometheus EG Hard Gears, and most standard aftermarket gears.

Specification & Pack Contents

Each pack contains a total of 25 precision shims (5 of each thickness):

  • Thicknesses Included: 0.1mm, 0.15mm, 0.2mm, 0.3mm, and 0.5mm

  • Inner Diameter: 3.1mm

  • Outer Diameter: 5.8mm

Compatibility

  • Tokyo Marui: Standard AEG & Next-Gen Recoil Shock (NGRE) genuine gears.

  • Prometheus: EG Hard Gear Series.

  • Universal: Any airsoft gearset utilizing a standard 3mm shaft.

⚠️ Technical Note

Tech Advice: Shimming a gearbox requires patience, precision, and technical know-how. Incorrect shimming can lead to poor performance, stripped gears, or motor damage. If you are new to gearbox teching, we highly recommend seeking advice from an experienced tech or contacting the BZ Tactical workshop team!

More Information
Brand Prometheus