Acme 44 Tooth spur gear to fit the Attacker, Cyclone, Condor and Conquistador models. Stronger than the originally supplied Spur Gear.

If you have tried to search for  these you will know they are virtually impossible to find. 

So following many requests we have created a 3D printed version of the originals, which are made from an ultra hard, wear resistant, Carbon Fibre re-enforced filament, which has been specifically designed to print items requiring high strength and rigidity.

This listing is for a single 44T gear.

General Properties of the filament used: 

Type : Tribo Indstrial strength Filament
Density : 1.4 g/cm3 
Colour : black 
Saturation with moisture absorption at 23°C / 50% r. h. : N/A 
Saturation with water : 0.3 weight % 

Mechanical Properties : 
Flexural modulus : 4700 MPa4 flexural strength: 87 MPa4) max. 
Permissible surface pressure at 20 °C : 44Nm. 
Shore D hardness : N/A 

Thermal Properties: 
highest long term service temperature : 200 °C 
highest short term service temperature : 250 °C 
highest short term ambient temperature : 270 °C 
lowest service temperature : -30 °C 

I have many more Acme spares for sale. Some are listed on ebay, some are not. Please check my other listings, or feel free to ask me !






Buy With Confidence from RCScrapyard:

With over 40 years of hands-on experience in Radio Control, we know RC inside and out - from classic Nitro-powered vehicles to the latest high-performance Electric models.

We're proud to be Authorised Tamiya and Kyosho Dealers, supplying genuine parts, kits and accessories direct from official channels. Every order is carefully checked, securely packaged, and dispatched using insured and trackable delivery.

RCScrapyard is the winner of the 2025 eBay for Business *Pioneer Business* Award, recognising excellence in customer service, product knowledge, and trusted expertise.

Whether you're buying your first model or adding to a lifelong collection, you can buy with complete confidence - our commitment to quality, honesty, and after-sales support comes as standard with every purchase!

Please Note:

Packaged items are sold on a 30 day return basis, and returns will be accepted provided the packaging is unopened.  

Used or second-hand spares are sold as seen, and are non returnable.

Please feel free to ask any questions, I will endeavour to answer them promptly both before and after the sale.