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Stack ventilation
Turnable head for convenient screen visibility
Ultegra R8100 and 105 R7100 cranksets as well as most 110x4 spiders and power meter spiders
providing assurance for athletes
Unior Bottom Bracket Socket T47 Fe Sport Stack ventilationAll models of bottom bracket sockets are precision CNC machined tools for installation and removal of different external bottom bracket cups. They are made of aluminum billet and anodized red for durable finish and precise fit, that wont damage aluminum external bottom bracket cups. 1 2 square drive makes it easy to use with torque wrenches, ratchets and fixed handles. Mfr Claimed Weight TBC
