Freeline Rear Axle 50X2X1040 - KZ--F kubica-kart Replace wheels when you notice

Replace wheels when you notice cracks

Designed specifically for kart racing

as well as other direct-drive kart applications requiring a 23mm intake connection

The New-Line Carbon Floor Tray is a premium performance upgrade designed specifically for BirelART chassis

Freeline Rear Axle 50X2X1040 - KZ--F kubica-kart Replace wheels when you noticeThe Freeline Rear Axle 50x2x1040mm F grade is a genuine OEM rear axle designed for KZ Shifter class karts, manufactured by Freeline to OEM specification for Birel ART and associated chassis brands. The F grade designation indicates a softer flex profile for fine tuning rear end handling to suit track conditions. Key Specifications Diameter: 50 mm Wall thickness: 2 mm Length: 1040 mm Grade: F softer flex profile Class: KZ Shifter Compatibility Birel