Traxxas 5211R Roller Clutch (One Way Bearing), TRX 2.5, 2.5R, 3.3

Traxxas 5211R Roller Clutch (One Way Bearing) - Replacement for TRX 2.5/2.5R/3.3 Engines (Single Bearing)
✔️ 6 x 8 x 0.5 mm TW roller clutch for TRX 2.5/2.5R/3.3; direct Traxxas stock replacement, high‑quality, durable for long-lasting performance

This roller clutch, also called a one-way bearing, engages the drivetrain only in forward motion to prevent backdriving and drivetrain wear. It's a handy replacement part for Traxxas TRX 2.5/2.5R/3.3 powered models.

✅ 6 x 8 x 0.5 mm TW roller clutch diameter x width x thickness
✅ Compatible with TRX 2.5, 2.5R, 3.3 engines
✅ Replacement part for stock and hop-up use with long-lasting performance
✅ Pack size: single bearing

💡 What is a TRX one-way bearing and when should you replace it?

This general guidance helps you keep Traxxas engines running smoothly; swap after noticeable wear, noise, or loss of forward drive.

- Engine drive reliability in TRX models

- Prevents backdrive and improves startup responsiveness

- Easy swap with compatible 6 x 8 x 0.5 mm TW bearing

Replacing this roller clutch helps ensure smooth power delivery and longer life for your Traxxas drivetrain.