Park Tool Bottom Bracket Retaining System Tool (BBT-RS) product-type_chain-locks SRAM designed a fresh cup

SRAM designed a fresh cup forging for a high-end look

Simply Fast

FeaturesBottom bracket with small ball bearings for lightweight package

Using only the highest grades of raw materials

The GX Eagle chain is designed with SRAM's Eagle geometry

Park Tool Bottom Bracket Retaining System Tool (BBT-RS) product-type_chain-locks SRAM designed a fresh cupAbout Park Tool Bottom Bracket Retaining System Tool (BBT RS) Bottom 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