IUBU Fitness Folding Treadmill, F1 & K5
Iubu Fitness F1 and K5 are high-end heavy-duty fitness products for home use, with K5 a little higher price tag at the time of this review. The design overall is different on the K5, as it includes the features like a larger display panel, and different handles design, 1-15 auto incline levels and higher speed range.
The F1 and K5 treadmills score 4.7/5 stars out of 19 customer reviews and ratings, indicating a decent amount of customer satisfaction. Both of these electric treadmills have the conveniently foldable designs so you can just lift the treadmill from the running belt and push it towards the display panel. It has a space saving design and you can basically fold and expand in just a matter of seconds.
You’ll find a high definition mirror smart LED liquid crystal touch display with the app control functionality with Bluetooth connectivity and the usual indicators of distance, speed, calories, time and pulse rate. You’ll receive it almost totally assembled and you won’t need to install anything. The Bluetooth app control can be used by both Android and iOS users and will be a bit like a digital personal trainer, giving you a health report.
Both the F1 and K5 treadmills run quietly thanks to the efficient and powerful yet low noise F industrial grade motor and your downstairs neighbors or people in your flat will not be disturbed. Maximum user weight capacity is specified as 275 pounds. The F1 model measures 57 x 28 x 49 inches with an anti-static, tensile and great strength running belt of 15.8 x 43.7 inches and 16 x 28 x 56 inches as folded. The K5 measures 59.3 x 29.1 x 51 inches and 15.5 x 29.1 x 59.2 inches as folded. The running belt is 45.7 16.9 inches
They will fit under your bed easily as the height of the folded treadmill is 16 inches. The motor power is 0.65 to 1.75 horsepower at peak with an AC 110V (50 to 60Hz voltage) and for the F5 this value is 0.85-2.05 horsepower peak. Both the K5 and F1 are suitable for walking, jogging and running and you can run at speeds up to 6.2 mph on F1 and 9.2mph on K5 and all feels rather smooth.
They offer the manual, countdown, and auto program modes and dormancy, security lock and MP3/Bluetooth functions. In the box, you will find the IUBU treadmill and the accessories bag that includes a security switch, an audio input line, and a 30 ml silicone oil. These treadmills don’t require much maintenance. Both of them include the compact commercial level structural steel and strong, dense and elastic dual running board along with a rubber shock absorber.
You can rotate the multi-angle LCD touch display to view the info better. Iubu F1 does not incline automatically but can be used in Flat Road Mode of up to four levels. The K5 includes the auto incline function and these are flat road, climbing and mountaineering modes. They don’t require much maintenance except for adding 10ml of oil once a year and please note that it will be sent to you oiled. You can return the treadmill within a month of your purchase and get a full refund. And they offer decent customer support, you may call or email them with any issues or questions you may have.