Model: Shimano RD-TZ31-A rear derailleur
Speed: 6/7 speed
Country of origin: Singapore/Malaysia/Indonesia/China
Compatible mount type: Direct mount
Important: This is 100% Shimano brand, new, no original package.
1.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.
please look at the last picture.
2.Is this rear derailleur fit my bike?
Please look at question 1, you should first confirm the mount type of your rear derailleur.
3.Will this work with 34 tooth rear cog?
4.Does the derailleur come with the bolt to attach it to the bicycle frame?
5.Is this rear derailleur fit my shifter?
Both 6 and 7 speed shifters are fit this rear derailleur, such as ST-EF51 3x7, ST-EF500 3X7, SL-TX30 3x6 and SL-TX30 3x7 and so on.
1. If you have anything questions, plz write answer or email to us, we will reply in few hours.
2. If you want the installation manual and user manual, please contact me and I will send you the PDF document.