Fitted from the factory, the BETA RUBBER (OEM 059.33.011.00.00) is Beta’s original Swing Arm/Rear Suspension component for the SINCRO 125 2T FACTORY, SINCRO 200 2T FACTORY, SINCRO 250 2T FACTORY, SINCRO 300 2T FACTORY (2026). It keeps your Beta performing exactly as the factory intended.Replace it as part of normal maintenance or after wear. Original parts install without modification and keep your Beta to specification. OEM part number 059.33.011.00.00 Fits models SINCRO 125 2T FACTORY, SINCRO 200 2T FACTORY, SINCRO 250 2T FACTORY, SINCRO 300 2T FACTORY Model years 2026 Part group Swing Arm/Rear Suspension Brand Beta (genuine OEM) Browse more parts for your model: SINCRO 125 2T FACTORY · SINCRO 200 2T FACTORY · SINCRO 250 2T FACTORY · SINCRO 300 2T FACTORY.