BMC

The 2015 BMC Alpenchallenge AC02 105-Tiagra is a 10 pound a commuter bike with an aluminum AC02 frame. The frame has a shark finish. The Alpenchallenge AC02 105-Tiagra is a is a very light bike at around 10 pounds. It was released in 2015. The Alpenchallenge AC02 105-Tiagra is fully rigid.

Components

The Alpenchallenge AC02 105-Tiagra comes with Shimano components, including a BMC LSM03 stem and Shimano Rapidfire Plus shifters.

Drivetrain

The Alpenchallenge AC02 105-Tiagra has Shimano Gates CDX-CT SureFit rear cogs and a Shimano derailleur.

Wheels

It comes with Continental Sport Contact II tires (622mm x NaN) and Alex rims.

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Specs

Type Commuter
Year 2015
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