Machined Helical HD EVO Transmission Gear Set Rear Hub The all one piece

The all one piece

The Speck series was engineered with versatility in mind—from backyard bashing to competitive racing environments

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Hybrid metal/plastic geared transmission for optimal durability and efficiency

Part # 240567

Machined Helical HD EVO Transmission Gear Set Rear Hub The all one pieceSpecial Notes: The included pinion gear is helical design and is required to install on the motor shaft. Why Helical Gears: Helical gears are a type of cylindrical gears with slanted tooth trace. Compared to straight gears, they have the larger contact ratio and excel in quietness and less vibration and able to transmit large force. Our Helical gears are also a machined process to added strength, tighter tolerances and greater consistency. What they