The Shimano XTR BR-M9110 Flat Mount Rear Disc Brake Caliper is a high-performance hydraulic brake system designed for precision and reliability. Part of the XTR series, this brake caliper is crafted from durable aluminum, ensuring both strength and lightweight performance. It comes equipped with K04TI metal pads (without fins) for superior heat dissipation and braking efficiency. The XTR BR-M9110 is designed for flat mount installation and includes a fixing bolt for mount thickness of 25mm, making it a versatile and robust choice for rear braking needs.