These mirrors are for Japanese bikes with the 10mm right hand thread which includes most Honda, Kawasaki, Suzuki and Victory cruisers made since the 70s. Mirrors will not fit Yamaha motorcycles. Contact Hoosier Garage if you are unsure if the mirrors will fit your bike. These stylish black motorcycle mirrors that offer a stealth look with an angular mirror head. The combination of the 6" wide mirror surface and the sharp bend in the stem offer an incredible rearward view. And the mirrors feature a thick 11.5MM stem. The mirror head is black ABS plastic with a steel shaft and has a ball & socket adjusting mechanism positioned at the corner of the mirror housing that offers an excellent range of adjustments. The glass portion of the mirror is 6" x 3.5" (at tallest point). The measurement from the bend in the stem to the far edge of the mirror is approximately 11.25".