Signature Fitness SF-S2 “Sprint Demon” Manual Mechanical Treadmill Review

signature fitness sf-s2 treadmill

Signature Fitness SF-S2 “Sprint Demon” Manual Treadmill Signature Fitness SF-S2 “Sprint Demon” is a unisex adult / manual / motorless / curved sprint treadmill with the adjustable resistance levels. December 27, 2021 is the date it was first available at Amazon.com and is currently listed in the top 130 best selling treadmills. Black Sprint Demon … Read more