All models of bottom bracket sockets are precision CNC machined tools for installation and removal of different external bottom bracket cups. They are made of aluminium billet and anodized red for durable finish and precise fit, that won’t damage aluminium external bottom bracket cups.
 
Product features
Another addition to our BB Socket line up, this time for E13.
1/2? square drive makes it easy to use with torque wrenches, ratchets and fixed handles such as our Pro Socket Handle.
Doubles in function as E13 chainring/spider lockring and cassette lockring tool