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).
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 Hub Bolt Mount (Hanger Mount).
100% new and high quality, no Shimano package.
Item will be shipped within 24 hours, any questions please feel free to contact us, we are always here to help you.
Material: High quality plastic and alloy
6/7 speed SIS index shift, fit for mountain bike/road bike, for 6/7 grade freewheel
Mainly used in aluminum alloy bike frame
If bike frame with hook, as picture shows, you can use it, or cannot fit your bike
NOTE: Please check the mount type of your original part before you buy it