Tianjin Shengkuo Technology Development Co., Ltd — Wangqingtuo, Tianjin, China
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B4Frame material · Special frame shapes

Magnesium Alloy

One-piece formed with no weld seams, which is what makes the unusual frame shapes possible. Lighter than aluminium at a comparable price.

MOQ50 units
Frame types4
Wheel sizes26" / 27.5"
Drivetrain7–33 speed
BrakesMechanical or hydraulic disc
01Frame types

4 frame types in this material

Pick the shape closest to your market and request a quote. Any colour can be specified from one unit — the form below is filled in with the material and frame type for you.

Magnesium alloy hardtail mountain bike in white, one-piece formed frame

Hardtail mountain

White

Magnesium alloy hardtail mountain bike in green and yellow

Hardtail mountain

Green and yellow

Magnesium alloy hardtail mountain bike in black

Hardtail mountain

Black

Magnesium alloy hardtail mountain bike in matte black

Hardtail mountain

Matte black

02Customisation range

Change any line, from one unit

Every line below is a range, not a fixed spec. Tell us the market and we will propose a build.

Customisation options · in-house tooling · prices quoted on application
Frame
High-carbon steelAluminium alloyMagnesium alloy Carbon fibre
Gears
Single speed7-speed8-speed 9-speed10-speed11-speed 21-speed24-speed27-speed 30-speedOther ratios on request
Paint
Spray paintBaked enamel
Brakes
V-brakeDrum brakeDisc brake Coaster brakeHydraulic disc
Front fork
RigidSuspensionLockable suspension Lockable hydraulic suspension
Wheel size
20"24"26" 27.5"29"
Colour
BlackWhiteGrey SilverRedYellow BlueGreenPurple Any other colour
Carton
Standard cartonPlain, unprintedPrinted to your artwork
Derailleur brand
L-TWOOT-TWOOMicroshift Any brand you nominate
04Inquiry

Tell us the market. We will quote the build.

The more you tell us — model, quantity, destination port, target landed cost — the more useful the first reply will be. A model, a colour card and a quotation are what usually come back.

Contact person Carrie
Email the export team manager@jntbike.com
Factory & office No. 12 Qingguang Road, Wangqingtuo Town, Wuqing District, Tianjin, China
Registered name Tianjin Shengkuo Technology Development Co., Ltd
天津市盛阔科技发展有限公司
Documents CE certificate (TQT0331B402EC), EN ISO 4210 test reports and enterprise credentials are released to qualified buyers on request.

Your inquiry has been prepared in your mail client — please press send. If nothing opened, email manager@jntbike.com or message us on WhatsApp.

Fields marked * are required. Inquiries are answered by the export team in Tianjin.