The SRAM X01 Eagle AXS drive train is smart, smooth and completely wireless;The full-colour Bosch Kiox controller displays ride info, connects with your Bluetooth® enabled devices and has a built-in theft prevention feature;The new, better-than-ever Bosch motor is smaller, lighter and more efficient. It feels more natural while you're pedalling, and has less drag when you're not;RE:aktiv with Thru Shaft works faster than a normal shock, so it tracks the ground better and keeps you in control;