About YMCK

YMCK is a Japan-based motorcycle parts brand focused on precision CNC-machined aluminum components.

We design and manufacture parts that enhance the mechanical beauty of motorcycles while maintaining functional simplicity and structural integrity. Every YMCK product is developed with careful attention to material quality, machining accuracy, and long-term durability.

Our license plate holder kits and aluminum components are machined from solid billet materials without relying on plastic or sheet metal parts. This approach ensures strength, clean aesthetics, and a consistent design philosophy across our product lineup.

All YMCK products are designed and manufactured in Japan.

We believe motorcycle parts should not only function well but also feel right — in weight, finish, and form.

YMCK continues to create components for riders who value craftsmanship, engineering, and understated design.