OTK Wheel Nut (K Nut) Front & Rear

The OTK Wheel Nut (K Nut) (part 0044.B0) is the self-locking M8 wheel nut used to secure front and rear wheels to OTK kart chassis hubs. Known in karting as the K nut, it incorporates a self-locking mechanism to resist loosening under vibration during racing. A genuine OTK spare part, sold individually.

Key Specifications

• OTK Part Number: 0044.B0
• Vendor: OTK
• Thread: M8
• Type: Self-locking K nut
• Application: Front and rear wheel retention
• Sold: Individually

Chassis Compatibility

Compatible with all OTK-based chassis front and rear hubs (Tony Kart, Kosmic, Exprit, LN Kart, Redspeed, CS55, EOS, Gillard).

Used in conjunction with the OTK wheel stud (long) on standard front and rear hubs, or the short wheel stud on Mini 950 rear hubs. It is good practice to replace wheel nuts periodically as the self-locking nylon insert can wear with repeated use.