This 29T Delrin idler is made for HPI Savage applications and features a fluorescent coating to aid inspection. It is a service replacement that routes rotation from the motor spur to downstream gears while providing quieter engagement than many metal idlers.
Offered as a like-for-like spare, the Delrin composition lowers friction and noise and the bright finish makes it easier to detect misalignment or tooth wear during routine checks. Prior to fitting, verify the 29T count and confirm fitment and clearances with your gearbox and bearing locations.
Fitment guidance: remove the gearbox cover and check surrounding bearings and pins for wear, set an appropriate mesh and axial play, then carry out a short low-speed run to ensure smooth engagement. Use this component to maintain drivetrain reliability rather than as a competitive power upgrade.
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