Robinson Racing Absolute Hardened Steel Pinion Gear 21T 48P 3.17mm Bore – RRP1421

Upgrade your RC drivetrain with the Robinson Racing Products Absolute 21T 48-Pitch Steel Pinion Gear – RRP1421.

Part of Robinson Racing’s durable Absolute series, this pinion is manufactured from hardened steel for long service life and dependable gear mesh under demanding RC use.

The gear features 21 teeth, a 48-pitch tooth profile, and a 1/8-inch / 3.17mm bore for standard motor shafts. It is a strong choice for racers and hobbyists who want a more durable gearing option for compatible 48P drivetrain setups.

Key Features

• Genuine Robinson Racing Products gear

• Absolute Series

• 21-tooth pinion

• 48-pitch gearing

• 1/8" / 3.17mm motor shaft bore

• Hardened steel construction

• Heat-treated for durability

• Designed for long wear life

• Tooth count stamped on the gear

• Compatible with steel or plastic 48P spur gears

• Includes mounting set screw

What's Included

• (1) Robinson Racing 21T 48P Absolute Pinion Gear

• (1) 5-40 Set Screw

Tool Note

A 1/16" Allen wrench is required for the set screw and is not included.

Compatibility

Fits RC vehicles and motors using:

• 48-pitch spur gearing

• 1/8" / 3.17mm motor shaft

Always verify your vehicle’s required gear pitch and motor shaft size before installation.