Description
Shimano Tourney RD-TY21 6 Speed TY21 Rear Derailleur MTB Bike Direct Hanger Mount For Mountain Bicycle
model RD-TY21-A-SS
series TOURNEY
color Black
line conditioner ✔
Base_Direct Connection Traditional ✔
Low sprocket_largest tooth 28
Low sprocket_smallest tooth 28
Difference between maximum and minimum chainring teeth 13
Guide wheel_tooth number combination 11
Base_Riveting adapter road type ✔
High-position sprocket_largest tooth 14
High-position sprocket_minimum tooth 14
model RD-TY21-A-GS
series TOURNEY
color Black
line conditioner ✔
Base_Direct Connection Traditional ✔
Low sprocket_largest tooth 28
Low sprocket_smallest tooth 28
Difference between maximum and minimum chainring teeth 20
Guide wheel_tooth number combination 11
Base_Riveting adapter road type ✔
High-position sprocket_largest tooth 14
High-position sprocket_minimum tooth 14
![](http://ae01.alicdn.com/kf/Sfac2bf6c2c514f7a9294064708bf34b79.jpg)
![](http://ae01.alicdn.com/kf/H62de9d85756f47199dbdfe07d9791fb56.jpg)
![](http://ae01.alicdn.com/kf/S6581e2ec9ac34748b35e8d2374221798X.jpg)
![](http://ae01.alicdn.com/kf/S1e49e7875fc348d9b18b837d1235582ev.jpg)
![](http://ae01.alicdn.com/kf/S9624bbf9d722492eb1859fe7c2951680a.jpg)