C0
Tire Size: 24’’, 26’’
Brake: Disc Line Brake
Frame: High-Carbon Steel
Tire: Standard Road Tire
Handlebar Grip: Forever Durable Anti-Slip Rubber with Extra End Grip
Speed Control System: Shimano Standard 21 Speed
 
C1
Tire Size: 24’’, 26’’
Brake: Disc Line Brake
Frame: High-Carbon Steel
Tire: Standard Road Tire
Speed Control System: Shimano Standard 21 Speed
Handlebar Grip: Forever Durable Anti-Slip Rubber with Extra End Grip
Suspension System: front and back dual standard suspension
 
C2
Tire Size: 24’’, 26’’
Brake: Disc Line Brake
Frame: High-Carbon Steel
Tire: Standard Road Tire, Six-Knife integrated Wheel
Speed Control System: Shimano Standard 21 Speed
Handlebar Grip: Forever Durable Anti-Slip Rubber with Extra End Grip
Suspension System: front and back dual standard suspension

 
C3
Tire Size: 24’’, 26’’
Brake: Disc Line Brake
Frame: High-Carbon Steel
Tire: Standard Road Tire, Three-Knife integrated Wheel
Speed Control System: Shimano Standard 21 Speed
Handlebar Grip: Forever Durable Anti-Slip Rubber with Extra End Grip
Suspension System: front and back dual standard suspension
 
C4
Tire Size: 24’’, 26’’
Brake: Disc Line Brake
Frame: High-Carbon Steel
Tire: Standard Road Tire, Ten-Knife integrated Wheel
Speed Control System: Shimano Standard 21 Speed
Handlebar Grip: Forever Durable Anti-Slip Rubber with Extra End Grip
Suspension System: front and back dual standard suspension