700C High Carbon Steel Frame Road Bike
Size:700C
Transmission system:Hongguang 30-7
Front shifter:Hongguang FT-TZ30
Rear shifter:Hongguang RD-TZ50
Alex:Sealed alex
Chain:108 positioning
Freewheel:7S positioning
Pedal:PVC-138
Inner tire:Butyl rubber
Out tire:Natural Rubber
Brake:160mm mechanical disc brake
Handlebar:31.8*380L bend handle
Chainwheel:170L 24/34/42T
MOQ:50 pieces

The 700C road bike is designed for speed, efficiency, and reliable performance on paved roads. Equipped with a 21-speed drivetrain, mechanical disc brakes, a high-carbon steel frame, and a sealed bottom bracket, this bike offers a smooth and controlled riding experience for both commuting and fitness cycling.
1. High-Carbon Steel Frame
Provides durability and shock absorption for a comfortable ride.
Offers better strength-to-weight ratio compared to ordinary steel, ensuring a sturdy yet responsive feel.
2. 21-Speed Drivetrain
A wide gear range (3×7) allows for easy climbing, quick acceleration, and efficient cruising on flat roads.
Suitable for various terrains, from city streets to gentle slopes.
3. Mechanical Disc Brakes
Delivers consistent stopping power in all weather conditions (wet or dry).
Lower maintenance than rim brakes, with no wear on the wheel rims.
4. Sealed Bottom Bracket
Reduces friction for smoother pedaling.
Protects bearings from dirt and water, extending component life.
5. 700C Wheels
Larger diameter improves roll-over efficiency, maintaining speed with less effort.
Ideal for road cycling, offering a balance of agility and stability.
Riding Advantages
Speed & Efficiency: The lightweight frame and 700C wheels reduce rolling resistance, making it easier to maintain higher speeds.
Reliable Control: Mechanical disc brakes ensure confident braking, even on descents or in wet conditions.
Versatility: The 21-speed setup adapts to different riding conditions, from city commutes to long-distance rides.
Comfort & Durability: The steel frame absorbs road vibrations, while the sealed bottom bracket minimizes maintenance needs.
Commuters seeking a fast, low-maintenance bike.
Fitness riders and beginners looking for an affordable yet performance-oriented road bike.
Urban cyclists who need reliable braking and gear options for varied terrain.
With its balanced combination of speed, control, and durability, this 700C road bike is an excellent choice for riders who want a dependable and efficient machine for everyday riding.
Product Description
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Use road bike handlebars, comfortable to grip and good riding experience. |
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Ergonomic saddle, a sports car seat, high comfort. |
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Use 700C road bike tires, smooth and stress-free riding. |
Product Specifications
|
Frame |
High carbon steel frame |
|
Transmission system |
Hongguang 30-7 |
|
Front shifter |
Hongguang FT-TZ30 |
|
Rear shifter |
Hongguang RD-TZ50 |
|
Alex |
Sealed alex |
|
Chain |
108 positioning |
|
Freewheel |
7S positioning |
|
Pedal |
PVC-138 |
|
Inner tire |
Butyl rubber |
|
Out tire |
Natural Rubber |
|
Brake |
160mm mechanical disc brake |
|
Handlebar |
31.8*380L bend handle |
|
Chainwheel |
170L 24/34/42T |
|
MOQ |
50 pieces |


Why Choose SUPANDA



Packing & Container Loading

-One set per standard export carton.Five layers of corrugated carton.
-85% SKD, 95% plastic bags SKD,132%CKD,50% SKD and 100% CKD.
-According to customer's request.
To better ensure the safety of your goods, professional, environmentally friendly, convenient and efficient
packaging services will be provided.
Cycling Scene

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