Prometheus EG Hard Gear, built for abuse
The Laylax Prometheus EG Hard Gear set is one of the most respected upgrade gear sets in airsoft. Made in Japan from forged, heat-treated steel, it is engineered to survive the punishing loads of high-torque motors and heavy springs where lesser gears strip or shear. This is the 20:1 ratio, the high-torque option in the range.
Why choose the 20:1 ratio
Gear ratio is a trade-off between torque and speed. The 20:1 set leans towards torque, giving your motor an easier time turning stronger springs. That makes it the natural choice for higher-FPS rifles, DMR builds and any setup where reliable pull and trigger response matter more than a blistering rate of fire.
Materials and manufacture
High-stress areas are CNC machined from heat-treated steel while the rest is metal injection moulded from steel, giving strength exactly where the gear train needs it. The tooth profile is designed for a clean, quiet mesh, so once correctly shimmed the box runs smoother and quieter than tired factory gears.
Fitting and set-up
The set includes the bevel, spur and sector gears. Fitting is a workshop job: the gearbox must be stripped, the new gears fitted and the whole train carefully re-shimmed and lubricated. Team the gears with quality bushings or bearings and a suitable motor for the best results. Explore more airsoft accessories to finish the build.
Let us fit them for you
Installing upgrade gears correctly takes experience. If you would rather have the job done right first time, our workshop can handle the full rebuild. See our airsoft gun repair service in Kent.
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