Park Tool - BBT-RS Bottom Bracket Tool Retaining System Sprockets A unique adjusting system allows

A unique adjusting system allows a tight fit of the tool on any fork

The recommended fill rate is 70-100%

After designing the tool case for Pro Kit

Use Magicshine tool-free Helmet Mount to attach your Magicshine Bike Light to your helmet

25 Minute Install

Park Tool - BBT-RS Bottom Bracket Tool Retaining System Sprockets A unique adjusting system allowsPARK TOOL BBT RS BOTTOM BRACKET TOOL RETAINING SYSTEM 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 BBT RS