Aztec V-type One Piece Brake Blocks are a best selling one-piece replacement brake block with a threaded stud fitting. Proven and respected long life all weather high performance pad compound. Cup and dish washer system for easy and secure alignment. Fits all V-type brakes that use an Allen bolt type fixing. Featuring the proven Aztec water and dirt clearing grooves on the pads braking surface maintaining performance even in the most adverse conditions.