Frequently Asked Questions
The HMR-8 is a gum hammer designed for bicycle workshop tasks such as seating bearings, adjusting hubs, and straightening minor frame misalignments.
It is suitable for both. Home cyclists performing their own maintenance and professional technicians alike benefit from its controlled impact and compact size.
The hammer head is made of durable steel with a rubber/gum coating. The handle is constructed for ergonomic grip and long-term use in workshop conditions.
The HMR-8 is sold as a single unit, not as part of a set. Additional Park Tool workshop hammers and accessories are available separately.
Park Tool provides a 24-month manufacturer warranty on the HMR-8, covering defects in materials and workmanship under normal workshop use.
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