Shimano BR-M651 is a cantilever brake designed for use on mountain bikes, providing reliable and precise braking in various riding conditions. With its adjustable link wire and inner cable, it allows for fine-tuning to suit individual preferences and riding styles. The brake features a setting tool that simplifies installation and ensures optimal brake pad alignment, guaranteeing consistent braking performance. Additionally, the spring force adjustment screw enables adjustment of the balance between the left and right brake arms, ensuring equal braking force distribution.