Bike bicycle M10 V-Brake Mounts / Bike Bosses 4pcs M10 v-brake mount 4 pcs for one bike. -------------Outside thread : M10 X 1.25mm. -------------Fit most of standard bike frames . Please make sure you need M10 size for your brake mount posts. These are M10 NOT M8 posts! Made by Busettii. Sold by E Bike Factory If your package didn't have Busettii Bar code on it. then the seller sold FAKE product to you ! Same day shipping order by 1PM ! Only shipping to 48 states !