Compatible with Shimano DI2 cable & battery integration, it is the ideal stem for the modern mountain biker, combining an anodised alloy body with titanium bolts for a reliable & robust connection. The four-bolt, Headlock front clamp design keeps a protective & firm hold to your bar, while the integrated adjuster keeps it in the optimum position for comfortable & controlled steering. With a six-degree angle & 31.8mm steerer diameter, this sturdy & dependable stem is an ideal addition to any hard-riding steering column.