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Questions and answers about sports

Can someone help me identify this old Shimano derailleur?

5 min read

Asked by: Carl Surabhi

How do I identify my Shimano derailleur?


Quote from video: So they have part numbers to show the difference. This is a front derailleur. Sometimes are hard to find usually I think it's on this plate.

How do I know which Shimano rear derailleur?

Shimano stamps the rear derailleur model number on the underside/lower plate of the parallelogram.

Where is the model number on rear derailleur?

Simply look on the back of the derailleur body. The model number should be stamped there. It should read RD Mxxx.

Can you mix and match derailleurs?

As a general rule of thumb, it’s best not to mix and match drivetrain components from different brands. While things such as cranks, chains and cassettes are mostly inter-compatible between brands, generally speaking, shifters and derailleurs aren’t.

How do I know what model Shimano shifter I have?

The shifter can be identified by model number, which is stamped on the plastic perch (under the rubber hood).

How long should a derailleur last?

Good quality rear derailleur can last between 3 to 5 years, when unbranded or low-quality ones can last for 2 years, no matter what the durability of the rear derailleur the jockey wheel will wear after time and it can be replaced very cheaply with new ones, on the other hand, front derailleur can last almost

How much does it cost to fix a derailleur?

If you take your MTB into a local bike shop the average price to replace a rear derailleur is going to be $110. If you DIY replacing a derailleur will cost about $50 (plus your time) This price will depend a lot on the actual derailleur needed. Usually a bike shop will also take care of other problems.

Are all rear derailleurs the same?

No, bike derailleurs are not universal. A derailleur that works with one bike may not work with another bike based on factors such as the cage length. Check the difference between the smallest and largest cogs and also the chainring size to determine the derailleur compatibility.

What is the difference between short cage and long cage derailleur?

Quote from video: So that cage has had to move right forward. Now the longer the cage the more of a difference in ratio between the smallest and biggest sprockets.

How do I know if I have a long or short cage derailleur?

Quote from video: So look for those markings on your derailleur. If you can't eyeball it to see if it's long or short again short is SS medium GS long is s GS.

How can you tell Shimano Ultegra?

Print. Shimano cranks are all identified with model information above or surrounding the area on the backside of the pedal threads. For example; FC-6700/6750 = Shimano Ultegra.

Can you mix Shimano groupsets?

It is possible to mix and match as long as you get components from the same generation. For example: 9000 Dura Ace, 6800 Ultegra, and 5800 105 are all cross compatible. Each have 11-speeds in the rear, use the same cable pull per shift and use the same front derailleur design.

What do Shimano model numbers mean?

All the Numbers (1000, 2500, 3000, 4000, 5000, etc) simply indicate the size of the spool. The bigger the number, the more line you can spool to your fishing reel. Basically, the numbers are used to explain that a Shimano reel with 1000 spool can hold around 150 meters of nylon fishing line in size 1 (Japanese Sizing).

What are the levels of Shimano?

Shimano groupsets: different levels explained

  • Claris R2000: 8-speed.
  • Sora R3000: 9-speed.
  • Tiagra 4700: 10-speed.
  • 105 R7000: 11-speed.
  • 105 Di2 R7150: 12-speed electronic only.
  • Ultegra Di2 R8100: 12-speed electronic only.
  • Dura-Ace Di2 R9200: 12-speed electronic only.


What is the Shimano hierarchy?

Quote from video: Похожие запросы

How can you tell ultegra?

Print. Shimano cranks are all identified with model information above or surrounding the area on the backside of the pedal threads. For example; FC-6700/6750 = Shimano Ultegra.

What is the difference between long and short cage derailleurs?

Quote from video: And it houses these two jockey wheels on a short caged derailleur like this one the jockey wheels will be quite close together and then a longer cage one they'll be much further apart.

Can I use a 9 speed derailleur on a 8 speed?

yes you can use the derailer on the 8 speed cassette. The major difference between 8 and 9 speed is indexing. So for an 9 speed cassette you would need 9 speed shifters.

Can I put any derailleur on my bike?

No, bike derailleurs are not universal. A derailleur that works with one bike may not work with another bike based on factors such as the cage length. Check the difference between the smallest and largest cogs and also the chainring size to determine the derailleur compatibility.

How much does it cost to fix a derailleur?

There can be a range of prices for replacement derailleurs, starting around $20 and going all the way up to $700.

Can you mix Shimano groupsets?

It is possible to mix and match as long as you get components from the same generation. For example: 9000 Dura Ace, 6800 Ultegra, and 5800 105 are all cross compatible. Each have 11-speeds in the rear, use the same cable pull per shift and use the same front derailleur design.