





Park Tool GPS-1
The Park Tool GPS-1 is a five-piece guide pin set for bottom bracket and hub service with integrated 5 mm hex fittings. Mechanics use these pins to stabilize tools and prevent misalignment during component installation.
- This complete set of five guide pins adds stability and security to the bottom bracket removal and installation process
- Each pin included in the GPS-1 is sized for one of the most common thru axle hub or bottom bracket spindle standards
- The guide pin simply threads into any of the thirteen Park Tool bottom bracket tools which feature integrated threads (see Product Compatibility for full list). A 5 mm hex fitting is integrated into the threaded end for secure and easy installation and removal.
- Once installed, the extra-long pin engages into the bottom bracket or hub, bolstering the fitment of the tool and preventing misalignment
Pairs well with

Park Tool GPS-1
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