BETA REAR SPROCKET, Z.54

BETA REAR SPROCKET, Z.54 is the genuine Beta OEM Rear Wheel component (part no. 12.89589.000) for the EVO 80 2T JUNIOR (2009–2026). It keeps your Beta performing exactly as the factory intended.

Replace it as part of normal maintenance or after wear. An original Beta part keeps factory tolerances and reliability that aftermarket copies rarely match.

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