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#87173 - LIGHT WEIGHT 2 SPEED TRANSMISSION SET (0.8M)

R40/1st Gear 60/22tooth 2nd Gear 54/29tooth

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HPI Racing announces a major new option for the ROAR National Champion HPI R40 nitro sedan, the Light Weight 2 Speed Transmission Set.

The new design is lighter than the stock 2 speed, which delivers increased acceleration and a reduction in the overall car weight for faster lap times. In addition to being lighter, the new transmission features a finer gear pitch for increased efficiency and quicker acceleration, and hard anodized alloy clutch bell gears for extended gear life. And, at the request of R40 racers, the gear ratios have been revised for more punch and a higher top speed. This is a "must have" item for R40 owners who compete in race events, and is highly recommended by our team drivers. The set comes with everything needed for the conversion, and complete instructions.

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