For owners upgrading a Serpent SRX2 Gen3, this 39T idler gear helps even out torque transfer across the transmission. Its 39 tooth profile is selected to give a good compromise between acceleration response and sustained speed on varied track surfaces.
The 39T idler is produced to endure repetitive race conditions while keeping mesh stability. Using a high-quality replacement idler keeps overall drivetrain loads lower, which helps protect bearings and spur gear teeth during extended sessions.
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