Model: Shimano RD-TZ31, the latest version of RD-TZ30, it is exactly same size and type of RD-TZ30
Weight: about 300g/pc
This model has 2 types, Direct Mount or Hub Bolt Mount (Hanger Mount), how to choose the Direct Mount or Hanger Mount?
The Direct Mount which bolts directly to frame, if there is a dropout on your bike, you need Direct Mount.
If the “claw” type has a “C” shaped hook which goes around the solid axle, you need Hanger Mount.
Cycling is the most popular way to travel, exercising, environmental protection, safety, no traffic jam.
The bicycle parts are important, Shimano brand will brings you the unusual experience.
“The seller88” warranty:
100% genuine Shimano, 100% new, no Shimano package.
Any question when you receive the item or in using, please feel free to contact us, we are always here to help you.
Q: Will this work with 34 tooth rear cog?
Q: Does the derailleur come with the bolt to attach it to the bicycle frame?
A: Yes, it does.
This is direct mount type, NOT hub bolt mount type
Material: High quality plastic and alloy
For 6/7 grade freewheel, SIS index shift, fit for mountain bike/road bike
Mainly used in aluminum alloy bike frame
NOTE: Please check the mount type of your original part before you buy, if bike frame with hook, as picture shows, you can use it, or cannot fit your bike