The Ergatta Upgrade Kit is offered in multiple wood types and stains to match customers existing WaterRowers. Below is WaterRower's color chart to help determine which color is the correct match for your rower. If you are still unsure, please email us at info@ergatta.com (for US/Canada) with your rower's serial number (found on the back of your S4 monitor) and we would be happy to confirm the best stain option for you.