For racers wanting to sharpen drivetrain response, the XRAY 364978 Composite Center Differential Spur Gear 78T is an excellent upgrade. Made from a reinforced composite, this 78-tooth spur is built to handle frequent running while keeping gear lash and noise to a minimum.
The XRAY 364978 gear stands out for consistent tooth geometry that promotes smooth torque delivery and reduced component wear. The 78T ratio offers a practical compromise between acceleration and top speed for varied track conditions.
Stamped tooth numbers make setup and replacement straightforward, so you can identify gearing at a glance and spend more time on the track. Installation is simple for hobbyists performing routine maintenance or gear swaps.
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