Old Model A version Concept2 equipment at the headquarters gym area. In 1981, the brothers had the idea of making an indoor rowing machine (the Model A) made mainly from bicycle parts. It had a moving seat and a flywheel which used air for resistance.
For years, the Concept 2 has been the benchmark rowing machine, largely because it's the ergo that populates the floors of indoor competitions and amateur rowing clubs up and down the land,
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how does concept 2 rower work