Zipp Spring and Pawl Set ZM2

You should consider replacing these parts if you notice slipping under load, sluggish engagement when you start pedaling, or an inconsistent sound coming from your rear hub. These symptoms often indicate that the springs have lost tension or the pawls have worn down, affecting your power transfer.

No, this specific spring and pawl set is engineered exclusively for Zipp ZM2 hubs. It will not fit older Zipp hub models or other manufacturers' hubs, so please verify your hub model before purchasing.

If you are comfortable with basic drivetrain maintenance and have the appropriate tools to disassemble your hub, this is a manageable DIY task. However, if you are unsure about hub servicing or lack the specific tools required to access the internals, it is best to have a professional mechanic handle the installation to ensure everything is seated correctly.

Yes, this set includes the necessary springs and pawls to refresh the engagement mechanism of your ZM2 hub. You will likely also need a high-quality, lightweight freehub grease to lubricate the new parts during reassembly.

The frequency depends on your riding conditions and mileage. As a general rule, inspecting and cleaning your hub internals once or twice a year is good practice, though riders who frequently ride in wet, muddy, or dusty conditions should service their hubs more often to prevent premature wear.