Shop › 2024+ Duke 390 Small Wheel Swap Conversion Kit Image 1 of 1 2024+ Duke 390 Small Wheel Swap Conversion Kit $3,950.00 sold out The MMB Small wheel swap conversion kit!Will only fit a 2024+ KTM Duke 390. Sold Out Added! The MMB Small wheel swap conversion kit!Will only fit a 2024+ KTM Duke 390.