Bead retainers are used on racing kart wheels to keep the tyre bead sealed when running at low pressures, preventing air loss that can lead to a flat tyre. This set includes six bead retainers, each designed with an M5 thread to ensure compatibility with most kart racing wheels.Explore the key features of these bead retainers:M5 Thread Compatibility: Designed with an M5 thread to match most kart racing wheels, ensuring a secure fit that maintains the tyre bead seal during low-pressure use, reducing the risk of air leaks and race-ending punctures.O-Ring or Dowty Washer Options: Available with either O-ring seals or Dowty washers (bonded seals) to provide a reliable airtight seal, helping to keep tyres firmly in place even under demanding track conditions.3mm Socket Head Design: Featuring a 3mm Allen socket head for secure fastening, allowing for consistent application of pressure on the tyre bead to maintain an effective seal.OTK-Type Knurled Option: Includes a knurled thumb screw varia