Kyosho Ultima RB7.5 Slipper Spring Set (UM774B)

Keep your Kyosho Ultima RB7.5 running at its best with the Ultima RB7.5 Slipper Spring Set (UM774B). This genuine Kyosho spare is designed to refresh worn slipper spring components, helping to maintain consistent clutch action, reliable torque control and drivetrain protection during acceleration. It is an ideal maintenance item and a practical option when fine-tuning slipper preload to suit track surface and grip levels.

For easy identification, the Kyosho reference is UM774B and the Wheelspin Models part number is K.UB038.

Key Points

• Genuine Kyosho replacement part
• Helps restore smooth, consistent slipper clutch performance
• Useful for routine maintenance and clutch tuning
• Part numbers: UM774B / K.UB038

Suggested Compatibility

• Kyosho Ultima RB7.5