In order to guarantee an impeccable and reliable functionality even with increased pignons, the precision of change and derailed has passed through the design of a 12 speed chain that has necessarily been the subject of many research and development energies to make it equally reliable and lasting compared to a 11 -speed chain, despite the reduction of thickness compared to the latter. The new 12 -speed Chorus group benefits from a new Chorus 12 chain which ensures the same reliability and the same performance as that of the super record level, arriving to weigh only 241 grams for 110 stitches.

Characteristics

5.15 mm width

Changed faster and lightness

Very high performance and duration over time

Ultra-Link connection system. Very high performance and durability. Width 5.15mm. Pin aligned with external links