The Shimano 105 5700 rear brake calliper is equipped with the super SLR Design relocates the brake lever pivot for better mechanical advantage. Synchronized with the new brake arch pivot a greater level of modulation and power are available from the tops of the brake hoods, where most people ride a majority of the time. Adjustable toe-in on the brake shoes allows for fine tuning braking performance while pad compounds nearly double wet weather braking performance.