Park Tool Bottom Bracket Retaining Sytstem Bbt-rs drumbeat21-809 TAILORED FOR THE ROAD

TAILORED FOR THE ROAD

For lower torque setting

- Comfort padded grab bar

- Runtime: High 1hr (400 lumen)

Developed in conjunction with world renowned bike fit company Gebiomized

Park Tool Bottom Bracket Retaining Sytstem Bbt-rs drumbeat21-809 TAILORED FOR THE ROADBottom brackets have some of the highest torque specs of any component found on a bicycle. Despite this, some bottom bracket cups feature tool fittings that allow mere millimeters of engagement, which can be a problem when attempting removal or installation. Solution: the Park Tool Bottom Bracket Tool Retaining System. Used in conjunction with nearly any Park Tool bottom bracket tool, the BBT RS uses a spring based tension system to apply consistent,