Park Tool Bottom Bracket Retaining Sytstem Bbt-rs drumbeat21-809 - Comfort padded grab bar

- Comfort padded grab bar

For lower torque setting

Developed in conjunction with world renowned bike fit company Gebiomized

Don't get caught out at the side of the road or trail with a flat tyre

Park Tool Bottom Bracket Retaining Sytstem Bbt-rs drumbeat21-809 - Comfort padded grab barBottom 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,