The sram front derailleur chain spotter comes with washer is integrated solution for perfect protection beautifully integrated with the all new sram red 2012 yaw front derailleur the sram road chain spotter is a simple yet elegant complement to your drive train it assures accurate performance while protecting your frame and will now be made available as an aftermarket part professional road racers and teams use the sram road chain spotter as an integrated part of their groupset regardless