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Extra lightweight alloy spur gear mount for the HPI RS4 Sport 3. All alloy construction weighs only 2.6gr- the stock steel mount is 8.4gr! Less rotating mass means longer run times, a cooler motor and faster power delivery.
Accepts the stock spur gear or aftermarket 2 bolt or 4 bolt pattern spur gears by Kimbrough and HPI etc.
Polished and anodized in factory orange.
Optional alloy drive shaft also available.
Accepts the stock spur gear or aftermarket 2 bolt or 4 bolt pattern spur gears by Kimbrough and HPI etc.
Polished and anodized in factory orange.
Optional alloy drive shaft also available.