Yamaha Folding Mirrors 280mm Perch Mount (10mmx1.25mm) 5587Y-Pair by Moto-Science These versatile mirrors originally for KTM, but Moto-Science now has them to fit all Yamaha dirt bikes and off road bikes.10mm x 1.25mm perch mount RHD and 10mm x 1.25mm LHD perch mount. Convex mirrors, Optical quality, E-marked mirrors, Made In Italy. Original equiptment mirrors on KTM. Moto-Science does not sell any Chinese Copies or knock-offs. This is for Yamaha 10mm perch applications, if you want it for KTM, Honda ,Suzuki, Kawasaki, BMW drop us a note with your order. Once you try the KTM folding mirrors, you'll never go back to a fixed arm mirror.