Bicycle Gear Wheels for Cycling

A pair of durable dark grey bicycle derailleur pulleys, commonly known as jockey wheels, are featured. These crucial components are equipped with smooth-running bearings, visible with markings like '696' and 'ABEC-5', designed to facilitate precise and effortless chain movement. One pulley is marked 'UPPER' and the other 'LOWER', indicating their specific roles in the derailleur system to ensure proper chain alignment and tension. Additional inscriptions such as 'MAX RPM' and 'TIGER' highlight their performance characteristics and potential brand. These components are vital for efficient gear changes and maintaining optimal chain tension during rides.

bicycle - derailleur pulleys - jockey wheels - bike parts - cycling gear - bike chain - bearings