Shimano Dura Ace chainsets are competitive level, precision engineered products for serious road and race use. Including 7700, 7703, 7800, 7803 and 7900 models, double and triple.
These models still use HollowTech crank arms to give an extreme rigid yet lightweight construction. Combined with a variety of other technology, depending on the model, to improve performance. Top models include: Innovative Octalink system uses an 8-splined interface between chainset and bottom bracket spindle to increase rigidity. Highly polished Dura-Ace finish to cranks arms and nickel plated chainrings. Aluminium SG-X chainrings for superior shifting performance even under great loads.
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