Sunny SF-B1805 vs Schwinn IC4: How Do They Compare (Which Comes Out on Top?) Today we are going to review two popular bikes: Sunny SF-B1805 vs Schwinn IC4.

Check out Sunny SF-B1805: https://www.amazon.com/Sunny-Health-Fitness-Magnetic-Capacity/dp/B07FCJH59R/?tag=jstand-20

Check out Schwinn IC4: https://www.amazon.com/Schwinn-IC4-Indoor-Cycling-Bike/dp/B07WZXSDKW/?tag=jstand-20

So, the main difference between these two is the resistance level
Schwinn IC4 comes with resistance levels of 1 to 100 whereas Sunny SF-B1805 doesn't come with a fixed number of resistance levels. With SF-B1805, the knob tension knob has about 8 turns. Both bikes use a magnetic type of resistance.

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