The sram x0 grip shifter including lock on grip brings a new aspect to the sram range with the smoothest shifting action yet the 10 speed shifter is nothing short of astounding featuring three rows of ball bearings the shifting action is not only incredibly smooth with the sram x0 but also super reliable even on the trickiest and most stressful of mountain bike rides another key benefit of the sram x0 shifter is the fantastic grip technology that has been incorporated into the mtb shifter wi