700c Adult Bike Carbon Steel Frame, 21 Speed, Mechanical Disc Brakes. Video,Demo, How It Works & Features

Name: 700c Adult Bike Carbon Steel Frame, 21 Speed, Mechanical Disc Brakes.
Uploaded: 2026-06-28T11:57:42+08:00
Description: Watch the 700c Adult Bike Carbon Steel Frame, 21 Speed, Mechanical Disc Brakes. video demo to see how it works, key features, and real-use scenarios. A helpful video guide before you buy.

2026-07-06 2710

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Product Specifications

Model NO.:

I-700

After-sales Service:

Reissue The New Tire

Warranty:

30 Days After Delivery

Brand:

Forever

Applicable Gender:

Unisex

Gear:

21 Speed

Wheel Size:

28"

Foldable:

Not Foldable

Frame Material:

Carbon Fiber

Frame:

700cc High Carbon Steel

Brakes:

Front Hand Brake

Roulette:

24*34*42three Piece Middle Fish Leg

Headstand:

Aluminium Die Casting

Flywheel:

Class 7 Non-Positioning Flywheel

Chain:

110 Pitch Chain

Seat:

Elastic with Thick Foam

Pedal:

21 Speed / 24 Speed Pedal

Rim:

Aluminum Alloy 700 C Double Layer Cutter Ring

Central Axis:

Sealed

Tires:

700*23c

Speeds:

Color:

Black

Customization:

Available, Color/Size/Logo

Trademark:

OEM/ODM

Transport Package:

Cartons

Specification:

136*19*70

Origin:

Xingtai, Hebei, China

HS Code:

8712003000

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