GPS-1 Five-Piece Bottom Bracket Tool Guide Pin Set

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The Park Tool GPS-1 Five-Piece Bottom Bracket Tool Guide Pin Set is a complete set of guide pins for improving stability and alignment during bottom bracket removal and installatio n with compatible Park Tool bottom bracket tools. Each of the five pins in the GPS-1 is sized to a different common thru-axle hub or bottom bracket spindle standard, giving mechanics coverage across a wide range of modern drivetrains in a single set. Each pin threads into any of the thirteen Park Tool bottom bracket tools that feature integrated threads, using a 5mm hex fitting at the threaded end for installation and removal without additional tooling. Once seated, the extra-long pin — with a usable length of 61mm (2.4") — engages into the bottom bracket or hub to hold the service tool in alignment and reduce the risk of misalignment during torque application. The GPS-1 is sold as an accessory to the compatible Park Tool BBT-series tools; those tools are sold separately. Set of five guide pins, each sized to a different common thru-axle hub or bottom bracket spindle standard Threads into any of the thirteen Park Tool bottom bracket tools with integrated threads 5mm hex fitting at the threaded end for tool-free installation and removal Usable pin length: 61mm (2.4") Pin engages the bottom bracket or hub to prevent misalignment during service Compatible Park Tool BBT-series tools sold separately Show more