The Ultegra 7600 series Bottom Bracket cups have taken a cue from the new Dura-Ace design with an improved seal design that reduces premature wear and ensures even longer trouble-free performance. New look matches the rest of the updated Ultegra group. Available in English (1.37 x 24 TPI; 68mm shell) or Italian (36 x 24 TPI; 70mm shell) threading. 93g.
A description of the different types of bottom brackets, the bearings for bike cranks.
You wanna go fast? Join the ceramic revolution!
An introduction to road bike cranksets.