Frame material：

• Carbon fiber
• Titanium alloy
• Scandium alloy
• Chromium-molybdenum steel
• Aluminium alloy
• High-carbon steel
• Other

Size：

• 24inch*15inch
• 26inch*15.5inch
• 26inch*16inch
• 26inch*17inch
• 26inch*18.5inch
• 26inch*19inch
• 26inch*21inch
• Other

Braking system：

• Double V-shape brakes
• Both V-shape brake and disc brake
• Double disc brakes
• Other

Frame type：

• Hard frame
• Soft tail frame

Front fork type：

• Non-suspension hard fork
• Spring fork(low-grade without damping)
• Resistabce rubber(middle-grade without damping)
• RS Reba(Air rebound,oil shock damping)
• Oil spring fork(springback,oil shock damping)
• Other