SRAM X4 MTB Mountain Folding Bike 7/8/9 Speed Rear Derailleur Medium / Long Cage

Option
1, Black (Medium cage)
2, Black (Long cage)
3, Silver (Medium cage)
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Model: Sram X4
Color: Black / Silver
Speed: 7/8/9 Speed
Mount: Direct mount
Cage: Medium cage / Long cage
Medium cage: Suit for MTB and Folding Bike
Long cage: Suit for MTB
Note: Not compatible for shimano derailleur system
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X4 Rear Derailluer combines the best elements of SRAM shifting with a stylish design in an affordable price point
Intelligent material selection yields a lightweight high performance derailleur