This SM-BBR60 is the outboard type bottom bracket that is lined up in Shimano's proud road component series 6800 series ULTEGRA and 5800 series 105.
Friction (friction resistance) is halved from SM-BB6700 while ensuring durability.
The included mounting tool TL-FC25 is made of resin, so care is taken not to damage the bottom bracket.
Shell width: 68mm
Average weight: 77g
Standard accessories: TL-FC25