Non-electric model
Features：
PROFESSIONAL 21-SPEED SHIFTING SYSTEM: Equip premium front and rear derailleurs and trigger lever, our mountain bike can be easier and more precise to change the gear ...
Non-electric model
Features:
EXCELLENT 21-SPEED SHIFTING SYSTEM：Using professional front and rear derailleurs and trigger lever support you to switch through the gears very easily by hand. The al...
Non-electric model
Features:
PROFESSIONAL 21-SPEED SHIFTING SYSTEM: Using professional's front and rear derailleurs and trigger lever, this mountain bike can easier to adapt to different terrain...
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