Shimano Hollowtech II
FSA Mega Exo
Race Face
X-Type
Rotor 3D, Agilis, Rex 3
Specialized Venge Pro 2012 Components Cranksets Shimano Dura Ace FC-7900
Specialized Venge with Dura Ace 9000 crank
Specialized S-Works SL3 with carbon OSBB
Specialized S-Works Tarmac SL4 with OSBB Carbon BB to convert to Shimano Dura Ace HT2 crank
Diameter: 46 mm
Width: 61 mm (Road)
Precision CNC aluminium cups