The Performance Monitor, too, is a little lacking -- unsurprising given the PM5 debuted in 2006. Its monochrome display and limited feature set gives me a serious case of Peloton envy, even if ...

The seat on the Concept2 Model D rowing machine is fairly low, measuring just 14 inches above the floor. This height can be tough for individuals with joint issues.

Not every Concept2 rowing machine is made from the same materials. The Model D has a combination aluminum and steel frame, which doesn’t offer as much durability as the brand’s other rowers.

The seat on the Concept2 Model D rowing machine is fairly low, measuring just 14 inches above the floor. This height can be tough for individuals with joint issues.

Not every Concept2 rowing machine is made from the same materials. The Model D has a combination aluminum and steel frame, which doesn’t offer as much durability as the brand’s other rowers.

The seat on the Concept2 Model D rowing machine is fairly low, measuring just 14 inches above the floor. This height can be tough for individuals with joint issues.

Robust and reliable, the Concept2 RowErg (formerly called the Concept2 Model D) deserves its reputation as one of the world’s most popular rowing machines ...

The seat on the Concept2 Model D rowing machine is fairly low, measuring just 14 inches above the floor. This height can be tough for individuals with joint issues.

The seat on the Concept2 Model D rowing machine is fairly low, measuring just 14 inches above the floor. This height can be tough for individuals with joint issues.