1. WR66 can do extra side rowing, also known as dragon boat rowing, to make your workout more versatile.
2. WR100 has greater maximum resistance with larger water tank. WR66's resistance is suitable for most people while WR100's resistance can be more helpful for people who need advanced training.
3. The frame of WR100 is larger and has greater weight capacity.
|Model||Digital Monitor||Side rowing||Resistance level||Product Dimensions||Weight capacity|
|WR66||Time, Calories, Count, Total Count, Distance, Scan, Auto start/stop||√||Daily Training Resistance Levels (for all people)||73L x 18W x 34H in||300 LB|
|WR100||Time, Calories, Count, Total Count, Distance, Scan, Auto start/stop||×||Greater maximum resistance (for all people and those looking to increase the intensity of their training)||79L x 20W x 36H in||331 LB|
Click to visit WR100 product page
Click to visit WR66 product page