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Gear Ranges: 11-23 or 12-27
Weight: 201 g.
The last pair of three sprockets are mounted on a frame with a new structure that increases their rigidity. The steel sprockets have a Nickel-Chrome surface treatment.
Eleven sprockets that are even more efficient despite the reduction of the thicknesses? We have succeeded. The teeth have been designed to optimize the speed and fluidity of shifting. This form reduces stress on the chain which ascends more easily onto the higher diameter sprockets. The large pinions are divided into sets of three and are mounted on a new aluminium frame. Thanks to this, rigidity increases 180% and the individual sprockets are 70% more resistant to torsion.