High Speed Gear Set (100-130m/s)

£54.95

High speed 16:1 gear ratio for a faster rate of fire
Optimised for AEGs running 100-130 m/s springs
Hardened steel construction with partial CNC milling
Up to 35% more durable than standard gears
Complete set: bevel, spur and sector gears
Built to Tokyo Marui (TM) standard for Version 2 and Version 3 gearboxes
Genuine ASG Ultimate upgrade part

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Description
Specification

Built for speed

The ASG Ultimate high speed gear set uses a 16:1 ratio to spin the sector gear faster for every turn of the motor, lifting the rate of fire. It is aimed at players who want a snappier trigger response and higher ROF, and it is rated by ASG for AEGs running springs in the 100-130 m/s band.

Hardened steel and CNC milling

Each gear is made from high quality hardened steel with partial CNC milling. ASG state this construction increases durability by as much as 35% over standard gears, which matters in a high speed setup where the drivetrain sees more cycles and more stress.

Matched three-gear set

You get the complete set: bevel, spur and sector gears designed to mesh together as a unit. Fitting a matched set rather than mixing gears keeps the mesh consistent and reduces wear, giving a cleaner, more reliable cycle.

Fitment and shimming

The gears follow Tokyo Marui standards and fit most Version 2 and Version 3 gearboxes. As with any gear swap they must be correctly shimmed after installation. Explore related airsoft accessories for pistons, bushings and springs to complete the upgrade.

Genuine ASG Ultimate part

A genuine ASG Ultimate Upgrade Series gear set. If you are not confident stripping a gearbox, our in-house technicians can fit and shim it for you.

Bought from the specialists: our in-house workshop in Rochester, Kent can service, repair and upgrade your kit. See our airsoft gun repair and servicing.

Product information reviewed by James Smith. Every gun is checked & serviced by our Rochester workshop before dispatch.

General
Brand	ASG
Other
Set contents	Full three-gear set
Material	Hardened steel
Range	Ultimate Upgrade Series
Part type	AEG gear set (bevel, spur, sector)
Gear ratio	16:1 (high speed)
Spring range	100-130 m/s
Machining	Partial CNC milling
Durability	Up to 35% greater than standard gears
Gearbox standard	Tokyo Marui (Version 2/3)
Application	Higher rate of fire builds

Recommended upgrades & accessories

Frequently asked questions

What does a 16:1 high speed ratio do?

A high speed ratio like 16:1 turns the sector gear faster per motor revolution, which raises the rate of fire. It trades some torque for speed, so it suits mid-power springs rather than very heavy ones.

What spring should I run with these gears?

ASG rates this set for springs producing roughly 100-130 m/s. Pairing it with much heavier springs risks stripping teeth or overloading the motor.

How durable are they?

ASG states the hardened steel and partial CNC milling make them up to 35% more durable than standard gears, which helps them cope with the extra stress of an upgraded build.

Will they fit my gearbox?

They are made to Tokyo Marui standards and fit most Version 2 and Version 3 AEG gearboxes. Correct shimming after installation is essential.

Do I need to re-shim after fitting?

Yes. Any gear change requires re-shimming for smooth, quiet running. Our workshop can do this via our airsoft gun repair service.

High Speed Gear Set (100-130m/s)