Power, Precision & Performance
PROX RACING PARTS
Discover top-tier racing components with PROX.
Built to endure, engineered to win.
| Size | Stock | Date |
|---|---|---|
| A - Ø66.34MM | Estimated shipping on | 2026-08-28 |
| B - Ø66.35MM | Estimated shipping on | 2026-08-28 |
| C - Ø66.36MM | Estimated shipping on | 2026-08-28 |
The PROX piston is an essential component for 2T engines in Beta RR and Xtrainer 250 models from 2013 to 2021, designed for motocross and enduro applications, ensuring high reliability and performance.
Manufactured from high-strength lightweight alloy, this piston features precision-machined surfaces for efficient sealing and maximum engine durability. The kit includes piston, rings, piston pin, and clips, and, according to 2T requirements, does not include the Pin Bearing.
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.
