
Innovation
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A new paradigm
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in bicycle materials
High-strength lightweight material,
DP-780
Customers want lighter yet stronger materials for their bicycles. A great variety of materials are used in today’s frame—from the more common aluminum to chromoly, carbon, and titanium. However, carbon and titanium, the two famous names for lightweight materials, are quite expensive, putting up a high barrier to general users. Alton Sports has thus endeavored for years to create a new material that can offer a significant reduction in both weight and price with high strength, and in 2014, we saw our first breakthrough in new materials.
EVOLUTION OF
MATERIALS

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From cooperation
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with the world’s
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premier steel
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manufacturer, POSCO
Alton Sports collaborated with the world’s premier steel manufacturer, POSCO, to apply ultra-lightweight, high-tension material technology to a bicycle frame, which led to the creation of the first DP-780 bicycle in the world. DP-780, developed with the creed of “stronger and lighter,” is a game-changing material that combines significant strength and elasticity.
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Lighter,
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slimmer,
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and stronger
Lightweight DP-780 frames are both 2.8 times stronger and 30% lighter than the conventional high-tensile steel, and is widely accepted to be the next-generation material for bicycles. Its strength and lightweight construction allows the manufacture of slimmer and more stylish bicycles through the tubing process, all at a price less than other lightweight materials such as carbon.
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New DP-780 lineup
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with further innovations
Through our new affiliate, Innox, Alton Sports was able to receive new technologies in material manufacture and welding.
Our increased expertise and new innovations in product quality management and process brought us the new DP-780 lineup,
the greatest technological achievement of Alton Sports so far.
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RESPONSE
Cross-type aluminum model, capable of handling rough terrain
- Frame
- 700C x 490 DP780
internal cable, smooth welding
- Transmission
- SHIMANO transmission
- Weight
- 10.8kg
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POUND 16
Alton’s foremost fat bike model, capable of uneven terrains such as unpaved roads
- Frame
- 700C x 480 DP-780
smooth welding, aluminum fat bike
- Transmission
- SHIMANO Claris 16-speed transmission
- Weight
- 9.45kg
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RAMBLE 21 700C
Aluminum MTB with 30-speed Shimano Deore and hydraulic disk brakes
- Frame
- 700C x 430/490 DP-780
aluminum MTB
- Transmission
- SHIMANO 21-speed transmission
- Weight
- 14.6kg
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CONVERSIONS 27
SHIMANO one-touch, 24-speed aluminum MTB
- Frame
- 26X15/ 17
smooth welding, aluminum MTB
- Transmission
- SHIMANO 24-speed transmission
- Weight
- 12.9kg