3 Speed Transmission for Bicycle, 3 speed Internal Gear Hub, IGH, Bicycle Hub

FOB Price: US $70 - 100 / Box Get Latest Price
Min.Order Quantity: 204 Carton/Cartons
Supply Ability: 30000 Unit/Units per Month
Port: Korea
Payment Terms: L/C,T/T
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Quick Details

Material: Aluminum Alloy Spoke Hole: 29 - 36 Position: Rear
Disc Mount: No weight : 810g:
Available brake : Disc, Band, Drum

Packaging & Delivery

Packaging Detail: 17 carton box per 1 CBM.
Delivery Detail: 1 ~ 3 month


Ratio of Range : 191%
Weight : 810g
Material : Aluminum
Available brake : Disc, Band, Drum

RGF391A 3 speed Internal Gear Hub

Model: RGF391A

Shifting Type: Twist Type

Ratio of Range 191%: 1 speed 100% 2 speed 144% 3 speed 191%

Axle Length(min/max): 140 / 191mm

Over Lock-Nut Dim(min/max): 111 / 121mm

Spoke Holes: 28H, 36H

Spoke Hole Dim: 2.7mm

Spoke hole P.C.D: 75mm

Available Sprocket Teeth: 15T, 16T, 19T

Chain Line: 43 / 45mm

Weight 810g ,  Material: Aluminum , Color : Black, Silver, Green, Gold

Brake Type: Disc, Drum, None, Band(BC 1.37 R24)


1.   Internal Gear Hub(IGH)

MBI 3-speed hub gear doesn’t need any derailleur system, because every gear changing is performed perfectly inside the hub shell.

2.   No protruding parts

The control section is safe from any external impacts, because of no protruding parts.

3.   Turning transmission system

It is possible to change speeds with turning transmission system in any situation.

4.   Accurate shifting gear

It performs well with its monolithic structure of wire and controller whenever it is stopped or under load as going uphill.

5.   Easy to install and assemble

It is easy to install and assemble, because the number of gear parts is fewer than others.

6.   Term of the quality guarantee

Free A/S for 2years.

7.   The world’s first patent

Products are registered in Korea and USA / patent pending in 34 countries.

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MBI is a company that possesses some 25 patents worldwide by reseach and development of bicycle hub nternal transformer and electric two-wheel motor transformer for 20 years.

MBI began its manufacturing of hbu built-in 3-gear transformer as the first in Korea and fourth in the world in January 2011 and this product is the one with the most excellent functions that have adopted the world's first acceleration-type turning transformation method compared to other competitors.

In the future, we ... View detail

Basic Information

Product/Service (We Sell): Internal Hub gear,TFM  

Trade & Market

Export Percentage: 51% - 60%  

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Unverified Supplier - MBI CO., LTD.
South Korea | Contact Details

Communicate with Supplier:

Mr. Yoo James H.
Mr. Yoo James H.:
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