Park Tool GPS-30 30 mm Guide Pin for Bottom Bracket Tools Bottom Bracket and it's holder will double

and it's holder will double as a standard bottle cage when the battery is not needed

and hang strap with carabiner for easy hanging and carrying

2 cm) – 31

High-CFM body fabric allows for breathability during high-output activities

Waterproof construction with fully taped fly and bathtub floor

Park Tool GPS-30 30 mm Guide Pin for Bottom Bracket Tools Bottom Bracket and it's holder will doubleThe 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