Power, Precision & Performance
PROX RACING PARTS
Discover top-tier racing components with PROX.
Built to endure, engineered to win.
| Size | Stock | Date |
|---|---|---|
| A - Ø71.94MM | Estimated shipping on | 2026-08-28 |
| B - Ø71.95MM | Estimated shipping on | 2026-08-28 |
| C - Ø71.96MM | Estimated shipping on | 2026-08-28 |
The PROX piston is designed specifically for Beta RR, RX and Xtrainer 300 2T engines from 2018 to 2025, offering high thermal resistance and reliability for demanding enduro and trail applications.
Manufactured with high-quality materials and precision-machined surfaces, it ensures efficient sealing, extended durability, and consistent performance. As specified for 2T pistons, the Pin Bearing is not included.
Stock Status Indicators:
🟢 Green – Item is in stock and available for immediate delivery.
🟡 Yellow – Item is in stock at the supplier. Please check the estimated shipping date.
🔴 Red – Item is out of stock.
Discover top-tier racing components with PROX.
Built to endure, engineered to win.
