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They are generally measured by the number of teeth.
Standard bicycle sprocket dimensions typically range from 11 to 34 teeth, with common sizes being 11-28, 11-32, and 11-34. These dimensions refer to the number of teeth on the sprocket, which affects the gear ratio and overall performance of the bike.
A sprocket is a toothed wheel whose teeth engage the links of a chain.
The chain is size 530, and the stock gearing is 15/45, meaning that the front sprocket has 15 teeth and the rear sprocket has 45 teeth.
Sprocket and chain and what?
The front sprocket has 14 teeth. the rear has 41 teeth, but on mine i have 13 front and 42 rear its more bottom end performance
They came stock with a 49T or 48T rear sprocket you can choose a replacement with either a 48T, 49T, 50T, or 51T, if you have the old sprocket count the teeth on the sprocket and that tells if it is a 48T, 49T or whatever (48T = 48 teeth)
The smallest sprocket is usually referred to as the "cog" and is commonly found on the rear wheel of a bicycle. It is designed to mesh with the chain and is typically the one with the fewest number of teeth among all the sprockets on the bike.
The chainring by the pedals and the sprocket(s) by the rear wheel.
A rough comparison of the gearing can be had by dividing the teeth on the chainring with the teeth on the sprocket.
25t means that there is 25 of the little spikey teeth on the outside of the sprocket :]
yes but it will be really easy to pedal