Beta RR 480 4 T X-PRO [2025-2026] - Piston Kit

PROX piston kit for Beta RR 480 4 T X-PRO

The PROX piston kit is intended for the Beta RR 480 4 T X-PRO built between 2025 and 2026. The forged aluminum piston is designed for standard compression and is therefore suitable for selecting a suitable replacement part within this vehicle classification.

Function and execution

The piston has a diameter of 99,980 mm and is assigned the oversize designation C. The +0.02 oversize version is specified for a 100 mm hole. The compression ratio is 11.9:1. The “Flat with hollow” specification describes the specified piston shape.

Technical data

• Brand: PROX
• Piston type: forged
• Material: aluminum
• Piston compression: standard
• Diameter Ø: 99,980 mm
• Letter oversize: C
• Oversize: +0.02
• Bore diameter: 100mm
• Compression ratio: 11.9:1
• Stroke: 4T
• Specificity: Flat with hollow

Scope of delivery

The kit contains the piston, piston rings, piston pin and circlips. This means that the components listed in the set are bundled together to put together the piston set.

Vehicle assignment

Suitable for the Beta RR 480 4 T X-PRO, built between 2025 and 2026. The version is specified for models with fuel injection from 2016.