New design, same dimensions
The right hand crank arms are coupled two by two in the zones subject to greater force applied by the cyclist
Unchanged Q Factor (145.5)
Unidirectional carbon fibre hand cranks, titanium axle and aluminium chainrings
Symmetrical inner chainring teeth
Optimised design for every chainring combination
Double wheel sizing standards
Superficial treatment of the chainrings for a longer lifespan
Technologies
X.P.S.S.™ Extreme Performance Shifting System
Ultra-Torque™
MPS™ Micro Precision Shifting System
618 gr. (172,5 mm, 34-50, 2 bearings assembled)