Shimano's 105 series hydraulic disc brake caliber is specifically designed for use on road bikes. This caliber is mounted in front of the bike and is compatible with brake hoses of the type SM-BH90-JK-SSR, which have a straight hose adaptation. ApplicationThis hydraulic disc brake caliber from Shimano is made for road bikes and is mounted in the front of the bike. Along with the caliber, you will receive a Resin K02S brake pad. The caliber is intended to be mounted on the bike's front fork using bolts or in combination with a caliper adapter. It is recommended to use this caliber with a Shimano brake rotor.