3Racing 3RAC-PG4839 48 Pitch 39T Pinion Gear Hard Coated 7075 Aluminium [3RAC-PG4839]

3RACING 48 Pitch Pinion Gear 39T (7075 w/ Hard Coating) - 3RAC-PG4839

Price:

£2.84

Brand:

3Racing

Model:

3RAC-PG4839

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R/C General - Gears - Pinion Gears

Upgraded 48 Pitch 39T Pinion by 3Racing

The 3Racing 3RAC-PG4839 pinion is made from 7075 aluminium to offer a light but durable replacement option. Its hard coated surface improves resistance to tooth wear, helping to keep gear engagement consistent during repeated use.

Compatibility and Function

This 39 tooth pinion is suitable for standard 48 pitch setups and is useful when fine tuning final drive ratios for either faster acceleration or higher top speed. The coating also assists in lowering friction and smoothing operation.

Is this pinion compatible with stock spur gears?

Yes, when used with standard 48 pitch spur gears the 3Racing 3RAC-PG4839 will mesh correctly provided the bore and set screw line up with your motor shaft.

Should I change my mesh after fitting this pinion?

Always verify and fine tune the mesh after installation. Even small differences in coating thickness or bore fit can affect engagement, so check gear contact at low speed first.

Does the aluminium construction affect durability?

7075 aluminium offers strong mechanical properties for a pinion while keeping weight down. The hard coat enhances wear resistance, but like any aluminium gear it should be inspected periodically for signs of wear after heavy use.