Maybe one of these similar products would be of interest:-

Sunny Health & Fitness Rowing Machine Rower Ergometer with Digital Monitor, Inclined Slide Rail, 220 LB Max Weight and Foldable - SF-RW5606

KNOX Fitness Rowing Machine Cover for Concept 2 Model D Rowers, 95" x 24" x 40"

1OZ TUBE of TreadLife Fitness Rowing Machine Chain Oil - Concept 2 - A B C D

Magnetic Fitness Rowing Machine Rower Equipment w/Adjustable Oxygen Resistance

Bearing Wheel Roller Bearing Wheel Fitness Accessories Fitness Rowing Machine