Computers and Electronics Which NordicTrack commercial treadmill is best? Which NordicTrack commercial treadmill is best? - Best overall: NordicTrack Commercial 1750. - Best affordable: NordicTrack T Series 6.5S. - Most training options: NordicTrack Commercial X22i. - Best for small spaces: NordicTrack EXP 7i. - Best for streaming classes: NordicTrack Commercial 2950. Related Posts:What are the top 5 treadmills?Is a NordicTrack worth it?Which is the best treadmill to buy for home use in India?What are the top 3 treadmills?