HPI Evo 3 43T and 47T Spur Gear, suitable for the 1st and 2nd gears of a two speed system.
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.
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 %
Flexural modulus : 4700 MPa4 flexural strength: 87 MPa4) max.
Permissible surface pressure at 20 °C : 44Nm.
Shore D hardness : N/A
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
These are printed to order, so there may be a delay of 24-48 hours for printing, prior to shipping.
I have many more HPI 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.