ARRMA 16T MOD 0.5 CNC 3.2mm Bore Fits 223S Grom RC Pinion Gear - ARA-2028

The ARRMA ARA-2028 is a 16-tooth MOD 0.5 CNC-machined pinion gear designed as a direct-fit replacement for the ARRMA Grom 223S. With a 3.2mm bore, this pinion gear is precision-machined to maintain accurate mesh with the spur gear in the Grom's drivetrain, helping to keep power transfer smooth and consistent. If you're replacing a worn pinion or restoring a damaged drivetrain on your Grom 223S, the ARA-2028 is the correct OEM-spec part for the job.

Key Features

• CNC-machined construction ensures precise tooth profile and consistent gear mesh
• 16-tooth MOD 0.5 specification matches the factory drivetrain setup of the ARRMA Grom 223S
• 3.2mm bore sized specifically for the Grom motor shaft — no modification required
• MOD 0.5 pitch is a common small-scale RC standard, keeping replacement straightforward
• Arrma part number ARA-2028 makes it easy to cross-reference against your Grom parts diagram

Compatible With

• ARRMA Grom 223S

What's Included

• 1x ARRMA ARA-2028 16T MOD 0.5 CNC Pinion Gear (3.2mm bore)