The standard size of a bicycle rear axle nut for most bikes is typically 15mm.
The standard bicycle axle thread size for most bikes is 9/16 inch.
The standard bicycle tube size for most bikes is 700c.
The standard bicycle handlebar diameter for most bikes is 22.2 millimeters.
The standard bike axle size for most mountain bikes is 15mm for the front axle and 12mm for the rear axle.
The standard bicycle crank bolt size for most bikes is 14mm.
The standard bicycle handlebar diameter for most road bikes is 31.8 millimeters.
The standard BMX axle nut size for most BMX bikes is 3/8 inch.
The standard bicycle axle diameter used in most modern bicycles is 9mm or 10mm.
The standard bicycle chain size for most bikes is 1/2 inch pitch with 3/32 inch width.
The standard bicycle chain link size for most bikes is 1/2 inch pitch, which means the distance between each pin is 1/2 inch.
Most bike parts are generic, and built to certain standards. As long as you're able to figure out which standard your bike is you can get parts for them from pretty much any bicycle shop. The bikes are made by/for a company called HM bikes.
The standard bike handlebar diameter for most road bikes is 31.8 millimeters.