This Delrin idler gear is made for HPI Savage platforms that require a 29T idler, finished with a fluorescent coating to make service checks faster. It replaces the stock idler to transfer rotation from the motor spur through the drivetrain while offering lower noise and smoother engagement compared with some metal choices.
Specified as a like-for-like service item, the Delrin material reduces friction and tends to run quieter, while the bright finish helps you detect wear or misalignment during inspections. Confirm tooth count and check clearance with the gearbox and bearings before final fitting.
Installation tips: remove the gearbox cover, inspect bearings and pins for wear, set the correct mesh and endplay, and perform a short low-speed run to confirm smooth operation. Treat this as a service replacement to preserve drivetrain reliability rather than as a power upgrade.
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