Original Shimano brake lever covers for GRX ST-RX825 STI lever. The grip rubbers guarantee good grip and optimum protection. 1 pair of covers About Shimano Established in Japan in 1921, Shimano is the worlds largest bicycle component manufacturer. Whether it be drive systems, brakes, pedals or shoes, Shimano stands for reliable quality and performance. From Road & Gravel to Mountain, Touring & Urban use, Mechanical or Electric.