
Video
GPS-30 BBT Guide Pin — 30 mm
More info: parktool.com/GPS-30
The GPS-30 adds stability and security to the bottom bracket removal and installation process.
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 30 mm pin engages into the bottom bracket, bolstering the fitment of the bottom bracket tool and preventing misalignment.
• Sized for bottom brackets with a 30 mm spindle
• Usable length of pin: 61 mm (2.4")
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"GPS-30 BBT Guide Pin — 30 mm" is a cycling video from Park Tool published on April 15, 2026. Runtime 49 seconds · 2,368 views. Topics: park tool. Spot Sports collects Cycling highlight videos, podcast episodes, and live coverage from across the web so every conversation stays in one feed. Follow Cycling on Spot Sports to get the next highlight, scoring update, and podcast appearance pushed to your home feed. If you want to watch Cycling live, Spot Sports' watch-cost calculator maps your zip code to the cheapest legal way to stream every game without paying for tiers you don't need.
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