Pros: Perform as good as XTR's except that XT's are cheaper to buy and maintain.
Race quality shifting and braking from a single unit! Multi-bearing construction features dual bearings on each shift spindle, for ultra-precise shifting action. Servo-Wave brake levers have 3 levels of braking power, allowing you to fine tune the feel and performance of your brakes. Compatible with Shimano's Flight Deck computer. These are the best for your buck if you're looking for high-end components without killing your budget.