The 2001 Radius C4 is a 38 pound a recumbent/touring bike with a chromoly Shock Works frame. The frame comes in colors like red, blue and black.

The C4 is a is a heavier bike at around 40 pounds. It was released in 2001. The C4 has frame suspension with 3in travel.

Components

The C4 comes with various recumbent bike components, including bar-end, SACHS Power Grip Plus Shimano shifters.

Drivetrain

The C4 has.

Wheels

It comes with Vredstein Monte Carlo tires and aluminum Alex rims.

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Specs

Type Recumbent, Touring
Year 2001
Alt. Names C4, C-4