To identify a Shimano derailleur and understand its characteristics as well as its reference, here are some tips:
1. Examine the Shimano logo and marking:
Shimano derailleurs will usually have the Shimano logo, which looks like a stylized "S". Also look for the brand name marking on the derailleur itself.2. Find the model number:
Shimano derailleurs usually have a model number that can be found engraved on the derailleur. This model number will help you identify the type and specific features of the derailleur.3. Check the gear group:
Shimano derailleurs are often designed to work with specific groupsets, such as the Shimano Dura-Ace group, Ultegra, 105, Tiagra, etc. The series to which the derailleur belongs can be indicated in its model number.4. Study the physical characteristics:
Examine the derailleur carefully to identify its physical characteristics, such as the number of cogs it can accommodate, its design, and its specific features.5. Consult the Shimano documentation:
You can check the Shimano website for information on the different derailleurs models they offer, along with their specifications and features.6. Search online:
Use online resources such as cycling forums or specialty websites to find information about the derailleur based on its appearance, features and model number.7. Consult a professional:
If you have difficulty identifying the Shimano derailleur, you can also consult a bicycle store or professional mechanic who can help you determine the model and specifications of the derailleur.
By following these tips, you should be able to identify and understand the features and part number of a Shimano derailleur. This will help you choose the right replacement parts or upgrade your transmission according to your needs.