The Serpent 402049 gear diff pulley set brings precision machining to your drivetrain. With 38 teeth, the pulley helps deliver controlled torque and refined response for serious hobbyists and weekend tuners alike.
Supplied with a set of shims, this pulley kit is built to keep running smoothly and resist wear. The 38T option balances speed and torque management for consistent performance across sessions.
Compatible across many RC chassis types, this pulley is straightforward to install and adjust. It is a practical choice when upgrading drivetrain parts or performing routine checks to maintain efficiency.
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