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4.3 out of 5 stars

Sunny Health and Fitness SF-B901B Belt Drive Pro Bike

$189.99
$499.99 62% off Reference Price
Condition: New
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Top positive review
22 people found this helpful
and it was nice when calling them to just get a live person ...
By DaveOnAmazon on Reviewed in the United States on January 26, 2016
Looking for a bike of this type I never considered Sunny until I started seeing the reviews on them. I was skeptical of the quality for that price. I also called the Sunny company directly several times for info and questions I had, and was impressed in their product knowledge, courteousness, and it was nice when calling them to just get a live person immediately who could answer the questions. Once deciding on Sunny, I had to decide on which model, and through much reading, comparing, and phone calls I went with the SF-B901B, and it turned out to be a wise move. For home use it is perfect for my needs. I can't really compare it to any other name brands because I haven't tried any others, but I will say it provides the workout I was expecting and much more. I got the Belt version, as opposed to the chain, and it is very quiet. The bike seems rock solid and doesn't move in any way when using it. The brake works perfectly, which is very important. The bike arrived much sooner than originally estimated, and comes in a single box, and is heavy. If you are going to use it on an upper floor of your house, like I do, I'd suggest opening and removing from the box in the garage; it is then much easier to carry the bike up by itself before attaching any of the components. Less messy too. It took about twice as long just getting the bike out of all the packaging as it took to assemble. The packaging seemed a pain to get everything out, but worth it since the bike arrived in perfect condition. Most of the bike comes assembled, you just need to attach the base, install the pedals, handle bars, and seat. Took about 15 minutes and it was ready to go. The seat is not the most comfortable and I will probably replace that later, but no biggie, the bike works great and seems solid. One thing it doesn't come with is a monitor for time, speed, heart rate, etc. which I knew before purchasing, and for now at least that's ok. It gives a great workout, rides very smooth, is quiet, and despite being heavy, little over 100 pounds, it is easy to move using the front wheels there for that purpose.
Top critical review
24 people found this helpful
Sigh
By J on Reviewed in the United States on December 27, 2018
I really want to like this bike, but it seems there's rampant quality control problems making this purchase really seem like a roll of the dice.On the good side, it feels very sturdy and solid when riding. Adjustability is great, I use it (5'10") along with my girlfriend (5'3"). I installed my own SPD compatible pedals as I like clips more than strap pedals. Standing and sprinting is no problem at all.As far as the downsides, well, there's a list. My first bike had some weird issues, like the handlebar bolt threads having to be rethreaded (good thing I had a tap kit), uneven brake pads, and it essentially sounded like a lawnmower when spinning, so much for a belt drive right? I followed Sunny's troubleshooting steps of removing the pedals and belt cover, then subsequently the belt itself to isolate the noise to the front flywheel bearing. Sunny is very resistant to fix this, insisting it's normal, lol. They ignored the brake pad issue.Well, I got tired of dealing with Sunny's email support as they take days to accomplish anything, so I just replaced it through Amazon which is always easy. New bike came in with a nice and quiet front bearing, however the brake pads are even worse! Very crooked causing uneven pressure and wear. No option for zero resistance anymore.At this point I'm trying Sunny support again with low hopes. I'm just more sad that I might have to drag a third replacement up and down two flights of stairs. I'd recommend unboxing in your entryway to check for these issues before hauling it up, the whole thing weighs ~130lbs.Update: Took about a week, but I received a replacement brake assembly from Sunny. Pretty easy install and it fixed all the issues with my brake pad alignment. 3 weeks later, I finally have a quiet bike with good brakes.

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