Shimano dura ace compact chainset hollowtech ii 165mm 5339t
The shimano dura ace compact chainset hollowtech ii offers the optimum balance of light weight and rigidity making it the global choice for elite riders shimano dura ace compact chainset hollowtech ii features the hollowtech ii 11 speed dura ace chainset offers the optimum balance of light weight and rigidity making it the global choice for road racing39s elite riders hollow outer chain