ASG Ultimate Gear Set High Speed CNC 12.5:1 for Airsoft AEG
If you're chasing serious rate-of-fire performance in your AEG build, the ASG Ultimate Gear Set High Speed CNC 12.5:1 is your go-to upgrade. Designed for speed-focused setups, this gear ratio delivers lightning-fast cycling—perfect for high-speed CQB airsoft guns that require instant trigger response and rapid shot follow-up. Built using cutting-edge CNC machining, these gears combine precision engineering with superior durability for high-stress performance builds.
Each gear is differentially heat-treated, creating targeted hardness exactly where needed for reduced wear and long-term reliability. The 12.5:1 ratio offers an excellent foundation for rapid-firing builds when paired with high-speed [airsoft gun motors](https://bbgunsuk.co.uk/airsoft-gun-motors/) and Ultimate mil-spec springs. Smooth operation, minimal friction, and an overall boost in efficiency make this gearset ideal for airsoft players crafting high-end custom AEGs built for speed and consistency.
Features
- Ultra high-speed 12.5:1 gear ratio
- Precision CNC-machined for elite tolerances
- Differentially heat-treated for reduced wear
- Supports rapid-fire builds for CQB
- Low-friction design extends gearbox life
- Optimised for ASG motors and Ultimate springs
- Reliable under continuous high-speed operation
- Ideal for speed-focused airsoft gun customisation
What you get
- Ultimate CNC Gear Set 12.5:1
- Three-piece gearset: bevel, spur, sector
- Sturdy storage box
- Compatibility and installation guide
Details
- Gear Ratio: 12.5:1
- Material: CNC-machined, heat-treated steel
- Weight: 85g
- Gear Type: AEG 3-gear set
- Compatibility: Version 2/3 AEG gearboxes
SHIPPING Delivery Prices start from just £2.50 with free delivery on orders over £50 To the uk mainland *.
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Delivery price (Mainland UK)Royal Mail (depending on weight) (2 Days Delivery*) From £2.50
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we can arrange a Saturday delivery on request but costs £20 and you will need to call us to pay the balance after making an order.
Northern Ireland From £ 5.95
Highlands and islands From £5.95
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Channel Islands £ 7.95 (Flat Rate how ever big or small your order is)
Delivery price (International Tracked)
(Flat Rate how ever big or small your order is)
Republic of Ireland (IRL)---- £6.95 Price Drop WAS £16
Belgium (BE)--------------- £7.95 Price Drop WAS £15
Netherlands (NL)---------- £6.95 Price Drop WAS £15
Germany (DE)-------------- £6.95 Price Drop WAS £25
Luxembourg (LUX)--------- £9.95 - NEW
France (FR)----------------- £9.95 Price Drop WAS £25
Austria (AT)---------------- £11.95 - NEW
Greece (GR)---------------- £12.95 - NEW
Sweden (SE)-------------- £14.95 - NEW
Denmark (DK)------------ £9.95 Price Drop WAS £15
Finland (FI)--------------- £15.95 - NEW
Italy (IT)------------------ £11.95 Price Drop WAS £16
Portugal (PT)------------- £11.95 Price Drop WAS £18
Poland (PL)----------------- £9.95 - NEW
Spain (ES)----------------- £12.95 Price Drop WAS £23
Sweden (SE)-------------- £11.95 Price Drop WAS £15
Slovakia (SK)------------- £11.95 - NEW
Slovenia (SL) ------------ £11.95 - NEW
Croatia (HR)-------------- £16.95 - NEW
Czech Republic (CZ)----- £10.95 - NEW
Hungary (HU)------------ £10.95 - NEW
Bulgaria (BG)------------ £14.95 - NEW
Romania (RO)------------ £13.95 - NEW
Switzerland (CH)--------- £12.95 - NEW
Turkey (TR)--------------- £17.95 NEW
Channel Islands ----------£ 7.95 Price Drop WAS £15
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