Saris CycleOps Fluid2 Indoor Bike Trainer
CycleOps Fluid2 Trainer (9904-T) is the best selling indoor bike trainer by Saris with a great progressive resistance range, a consistent and quiet ride with a very smooth optimal road-like feel. It is a very popular fitness product that was reviewed by 232 customers as of the day of this page release. The average rating is 4.2 out of 5 stars for the New Fluid2 and the Original Fluid2 models.
The Original Fluid2 costs 20 dollars less at the moment at Amazon.com. Fluid2 is actually promoted as the best selling bike trainer in the US. You can use it with a few indoor cycling apps including the Swift. It offers you the largest range of resistance with the progressive resistance on this bike trainer and will give you the real road experience. The resistance you get from the tires is consistent during your training session. And you need to get off the bike to be able to adjust the resistance. You already have the gears on your own bike, by using this and the rear at the back of this bike trainer you will have lots of resistance.
With the patented fan design individually precision balanced flywheel,you can change the gears as much as you want, customize each ride and speed up and down, simulate climbing and more. The self-cooling mechanisms including this special fan will help this unit perform longer and better. Please have a look at the many YouTube videos available. This being a fluid trainer, as you increase your speed the fluid heats up and becomes sticky and increases your resistance level. It is impossible to stay at the top resistance for more than a couple of minutes and you’ll decrease the gear. This is another reason why this bike trainer works quieter than other training methods available out there.
There is no leveler on this trainer, you can raise it just a few inches and may want to get a climber block via Amazon if you need to adjust the height properly. With the new Fluid2 Trainer you’ll get the best out of your training ride. It is built very sturdy and durable with the Saris’ built-to-last manufacturing process. You’ll get a month’s subscription for the Rouvy virtual training application. You can adjust it easily on the uneven surfaces with the eccentric leveling feet. The tire 
slipping and wear are reduced thanks to the alloy roller that is precision machined. This indoor bike trainer will with all the common mountain and road bike frames with the steel quick release skewer.
You are recommended to use a trainer tire. The Saris Fluid2 weighs 7.3 pounds with the measurements of 21.2 x 20.2 x 7 inches. It is a sturdy and durable trainer that can carry a total maximum weight of 300 pounds, for the bike and the rider combined. It is quite easy to set up with the standard instructions available online. You can use it with different training apps including the Rouvy, Zwift and TrainerRoad when you can’t go outside. The noise level is quite low and is only 64 to 68 decibels when you are cycling at the 20 mph speed. You may just want to get a block for a few bucks and a mat for 25 or so at Amazon.com. It appears to be great value for money with its sturdy construction, user-friendly design and features.