Park Tool BFS-1 Bottom Bracket Facing Set BF PSI Equipped with a 2L bladder

Equipped with a 2L bladder

the interface transmits and receives signals to and from the Power Unit™ thousands of times every second

This means that each wheel is developed under consideration of airflow efficiency

hubs and other tight areas such as suspension mounts or fork crowns

Rims: Giant XCT 29 Alloy

Park Tool BFS-1 Bottom Bracket Facing Set BF PSI Equipped with a 2L bladderThe Park Tool BFS 1 is a complete set for facing threaded bottom bracket shells, resulting in a clean, even surface ready for drivetrain installation. The included threaded bushings ensure precise alignment of the tool, resulting in perfectly parallel shell faces. The integrated tension spring system maintains consistent pressure of the 45 mm facing cutter against the bottom bracket shell, avoiding chatter and uneven cutting. The BFS 1 is useful for