These all-new 12-speed cranks offer premium technology and shifting performance for the most memorable experience. With dynamic chain engagement, the Shimano Deore FC-M6130-1 12 Speed Crankset provides stronger chain retention and smoother pedaling. All of this wrapped in a powerful package with stylish details, including color-shifting logos that change hues with light angles. The Shimano Deore FC-M6130-1 12 Speed Crankset features a direct mount chain ring with 30-32T chain ring options to suit your specific needs. L.