U Chien is a design and manufacturing company for bicycle industry. We have devoted ourselves to developing the bicycle device for effort saving and increasing pedaling efficiency for many years.

Our patent products including Happy Butts pain-free saddle and new power-up sickle cranks set

Happy Butts pain free saddle conforms with ergonomics and provides unparalleled comfort. Which solves those pain problems on private parts while ridding and enlarges riders pedaling force.

New power-up sickle crank equipped with big chainring 58T , not only as easy as pedaling 50T but also speed up very fast. Every crank set has been manually adjusted before shipping ,and its assemble tolerance is within 0.25mm , so in order to control the quality , now the production capacity is limited.