GROWTAC attend on INTERBIKE2016 that will be held in Las Vegas!!


From September 21 to 23 days, our company will display in Interbike.

We are looking forward to a lot of people can experience our innovative trainers.

We will be more than happy to see you at our exhibiting booth :-

  Booth No. 11126  Kyosei Co Ltd in JAPAN Area.


GT-Roller Flex3


The pioneer of fork-mount home trainer.
Our home trainer gives you a feeling like riding outside by making aninstability on purpose.
So you can train practically,keeping your balance.
And our home trainer is quiet in the world highest level.

GT-Roller Q1.1


World's first ! Four rollers!
Four rollers assure you of a wonderful stability in comparison with a traditional three rollers.
Raising a front unit reproduces a uphill faithfully.
Using a load-adjusting function makes possible a wide range of trainings.

Q1.1 OptionUnit

The elevator of front is only for GT-Roller Q1.1.
It reproduces up to a road with an inclination of about 10 degrees(dividedinto eleven levels) by the wireless remote-control only for GT-Roller Q1.1.
The electric power supplying units only for GT-Roller Q1.1.
It has a variety of function and supplies various trainings for you.