Power Hobby - Arrma Ring / Pinion 43 Tooth / 13 Tooth Hardened Steel 3.30 Ratio Arrma 6S Replacement Parts Multirotor Frame but theye also understand that

but theye also understand that some people may not have the time or confidence for the assembly of an R/C model - that is why they have come up with the X-SA (Expert-Semi-Assembled) series of models

These machined aluminum hubs clamp to the wheel axle rather than the slip-on plastic units found on many of Tamiya's kits

The Ultra Efficient MA chassis:

These multispoke wheels feature beadlock styling with the convenience of glued-on tires

These fit all LiPo batteries with 4mm inputs

Power Hobby - Arrma Ring / Pinion 43 Tooth / 13 Tooth Hardened Steel 3.30 Ratio Arrma 6S Replacement Parts Multirotor Frame but theye also understand thatIncludes: 43T Ring Gear 13T PinionFeatures: Strong and durable Hardened Steel for long lasting performance